Finding the Fourth Proportional to 71,568.86, 98,764.52 and 39,737.88

Step by Step Solution

1. Step 1: Write the proportion equation
   71,568.86 : 98,764.52 = 39,737.88 : x
2. Step 2: Convert to fraction form
   71,568.86/98,764.52 = 39,737.88/x
3. Step 3: Cross multiply
   71,568.86x = 98,764.52 × 39,737.88
4. Step 4: Simplify right side
   71,568.86x = 3,924,692,445.33
5. Step 5: Solve for x
   x = 3,924,692,445.33/71,568.86
6. Step 6: Final answer
   x = 54,837.99