Finding the Fourth Proportional to 63,931.72, 95,929.98 and 42,599.02

Step by Step Solution

1. Step 1: Write the proportion equation
   63,931.72 : 95,929.98 = 42,599.02 : x
2. Step 2: Convert to fraction form
   63,931.72/95,929.98 = 42,599.02/x
3. Step 3: Cross multiply
   63,931.72x = 95,929.98 × 42,599.02
4. Step 4: Simplify right side
   63,931.72x = 4,086,523,136.62
5. Step 5: Solve for x
   x = 4,086,523,136.62/63,931.72
6. Step 6: Final answer
   x = 63,920.12