Finding the Fourth Proportional to 1,272.30, 1,755.99 and 748.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,272.30 : 1,755.99 = 748.59 : x
2. Step 2: Convert to fraction form
   1,272.30/1,755.99 = 748.59/x
3. Step 3: Cross multiply
   1,272.30x = 1,755.99 × 748.59
4. Step 4: Simplify right side
   1,272.30x = 1,314,516.55
5. Step 5: Solve for x
   x = 1,314,516.55/1,272.30
6. Step 6: Final answer
   x = 1,033.18