Finding the Fourth Proportional to 71,569.59, 98,764.15 and 39,737.67

Step by Step Solution

1. Step 1: Write the proportion equation
   71,569.59 : 98,764.15 = 39,737.67 : x
2. Step 2: Convert to fraction form
   71,569.59/98,764.15 = 39,737.67/x
3. Step 3: Cross multiply
   71,569.59x = 98,764.15 × 39,737.67
4. Step 4: Simplify right side
   71,569.59x = 3,924,657,200.53
5. Step 5: Solve for x
   x = 3,924,657,200.53/71,569.59
6. Step 6: Final answer
   x = 54,836.94