Finding the Fourth Proportional to 72,212.91, 108,229.15 and 34,766.02

Step by Step Solution

1. Step 1: Write the proportion equation
   72,212.91 : 108,229.15 = 34,766.02 : x
2. Step 2: Convert to fraction form
   72,212.91/108,229.15 = 34,766.02/x
3. Step 3: Cross multiply
   72,212.91x = 108,229.15 × 34,766.02
4. Step 4: Simplify right side
   72,212.91x = 3,762,696,793.48
5. Step 5: Solve for x
   x = 3,762,696,793.48/72,212.91
6. Step 6: Final answer
   x = 52,105.60