A : 4 5/6

B : 12 1/3
C : 5 1/6
D : 11 5/8

To compare these numbers, let's convert them all into improper fractions.

A = 4 + 5/6 = 24/6 + 5/6 = 29/6
B = 12 + 1/3 = 36/3 + 1/3 = 37/3
C = 5 + 1/6 = 30/6 + 1/6 = 31/6
D = 11 + 5/8 = 88/8 + 5/8 = 93/8

Now we can compare the fractions.

The fractions in order from smallest to largest are:
A = 29/6
C = 31/6
D = 93/8
B = 37/3

Therefore, the numbers in order from smallest to largest are:
A : 4 5/6
C : 5 1/6
D : 11 5/8
B : 12 1/3