Answer:
From lowest to highest, the numbers would follow the following order: 
 
1) 4.606, 2) 4.64, 3) 4 + 13/20, 4) 47/10.
Explanation:
Given that the numbers 47/10, 4.606, 4 + 13/20 and 4.64 are presented, to order these from lowest to highest, the following calculations must be performed: 
 
47/10 = 4.70 
4,606 
4 + 13/20 = 4 + 0.65 = 4.65 
4.64 
 
Therefore, from lowest to highest, the numbers would follow the following order: 
 
1) 4.606, 2) 4.64, 3) 4 + 13/20, 4) 47/10.