Answer :

26.219

2-tens
6-ones
. (DECIMAL. They are there just to drive you crazy but help you. :) )
2-tenTHS
1- hundredTHS
9-thousandTHS

The answer is thousandths.
I hope this helped you. :)
Thousandths place.

The first number in this set is in the tens place (the 2).
The second is in the ones place (the 6).

The third is in the tenths place (the second 2).
The fourth is in the hundredths place (the 1).
And the fifth, well, I'm pretty sure you get it by now :)