Finding the Fourth Proportional to 63,591.57, 87,756.71 and 39,732.09

Step by Step Solution

1. Step 1: Write the proportion equation
   63,591.57 : 87,756.71 = 39,732.09 : x
2. Step 2: Convert to fraction form
   63,591.57/87,756.71 = 39,732.09/x
3. Step 3: Cross multiply
   63,591.57x = 87,756.71 × 39,732.09
4. Step 4: Simplify right side
   63,591.57x = 3,486,757,061.04
5. Step 5: Solve for x
   x = 3,486,757,061.04/63,591.57
6. Step 6: Final answer
   x = 54,830.49