Finding the Fourth Proportional to 113,417.62, 156,517.32 and 63,116.62

Step by Step Solution

1. Step 1: Write the proportion equation
   113,417.62 : 156,517.32 = 63,116.62 : x
2. Step 2: Convert to fraction form
   113,417.62/156,517.32 = 63,116.62/x
3. Step 3: Cross multiply
   113,417.62x = 156,517.32 × 63,116.62
4. Step 4: Simplify right side
   113,417.62x = 9,878,844,209.86
5. Step 5: Solve for x
   x = 9,878,844,209.86/113,417.62
6. Step 6: Final answer
   x = 87,101.49