Finding the Fourth Proportional to 113,098.38, 156,078.72 and 62,114.40

Step by Step Solution

1. Step 1: Write the proportion equation
   113,098.38 : 156,078.72 = 62,114.40 : x
2. Step 2: Convert to fraction form
   113,098.38/156,078.72 = 62,114.40/x
3. Step 3: Cross multiply
   113,098.38x = 156,078.72 × 62,114.40
4. Step 4: Simplify right side
   113,098.38x = 9,694,736,045.57
5. Step 5: Solve for x
   x = 9,694,736,045.57/113,098.38
6. Step 6: Final answer
   x = 85,719.50