The Community will be temporarily unavailable starting on Friday February 28. We’ll be back as soon as we can! To learn more, check out our Announcements blog post.
If your numbers can be of various lengths you can do if statements, and the formula can get very long, I did it for up to 7 figures:
(IF(LEN(CONCATENATE({Final Sales},""))=4,(LEFT(CONCATENATE({Final Sales},""),1) & "." & RIGHT(CONCATENATE({Final Sale...