The distinct letters of the word EXTRAORDINARY are arranged in alphabetic order. Then the letter in the fifth position from left is.

First, let us list out all the distinct letters present in the word EXTRAORDINARY:
$$\text{E, X, T, R, A, O, D, I, N, Y}$$

Next, we arrange these distinct letters in alphabetical order from left to right:

1. A
2. D
3. E
4. I
5. N
6. O
7. R
8. T
9. X
10. Y

Looking at our sorted sequence, the letter in the fifth position from the left is N.