Finding the Fourth Proportional to 116,957.32, 161,401.17 and 63,242.30

Step by Step Solution

1. Step 1: Write the proportion equation
   116,957.32 : 161,401.17 = 63,242.30 : x
2. Step 2: Convert to fraction form
   116,957.32/161,401.17 = 63,242.30/x
3. Step 3: Cross multiply
   116,957.32x = 161,401.17 × 63,242.30
4. Step 4: Simplify right side
   116,957.32x = 10,207,381,854.15
5. Step 5: Solve for x
   x = 10,207,381,854.15/116,957.32
6. Step 6: Final answer
   x = 87,274.42