Finding the Fourth Proportional to 63,660.71, 95,478.71 and 60,499.55

Step by Step Solution

1. Step 1: Write the proportion equation
   63,660.71 : 95,478.71 = 60,499.55 : x
2. Step 2: Convert to fraction form
   63,660.71/95,478.71 = 60,499.55/x
3. Step 3: Cross multiply
   63,660.71x = 95,478.71 × 60,499.55
4. Step 4: Simplify right side
   63,660.71x = 5,776,418,989.58
5. Step 5: Solve for x
   x = 5,776,418,989.58/63,660.71
6. Step 6: Final answer
   x = 90,737.58