create row to sum total of each column

[Camiiara]

Hi! i need to create a row at the end of the table to sum values of each column. The rows and columns are dynamic, they change every day. I already did the column with totals, but could not do the row with totals (green line).

Please see below an example of what i need to do:

House	color	2-Jan	3-Jan	4-Jan	total
a	red	50			50
b	blue	100	50		150
c	brown			25	25
d	yellow		100		100
e	pink	5	10		15
f	black				0
TOTAL		155	160	25	340

Thank you so much for the help! 

[cmcclellan]

Create a Summarize tool that sums the columns that you're after, then union back to the original file

[flying008]

Hi, @Camiiara 

there is a workflow for you reference:

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Please mark it as a solution if can help you get expected result.

[Emmanuel_G]

@Camiiara 

Find attached a very easy way of doing this.

Let me know if there is any issue and do not hesitate to mark this answer as solution if it helped.