Finding the Fourth Proportional to 113,720.50, 156,931.77 and 62,733.27

Step by Step Solution

1. Step 1: Write the proportion equation
   113,720.50 : 156,931.77 = 62,733.27 : x
2. Step 2: Convert to fraction form
   113,720.50/156,931.77 = 62,733.27/x
3. Step 3: Cross multiply
   113,720.50x = 156,931.77 × 62,733.27
4. Step 4: Simplify right side
   113,720.50x = 9,844,842,314.33
5. Step 5: Solve for x
   x = 9,844,842,314.33/113,720.50
6. Step 6: Final answer
   x = 86,570.52