Finding the Fourth Proportional to 63,134.72, 87,122.52 and 39,260.72

Step by Step Solution

1. Step 1: Write the proportion equation
   63,134.72 : 87,122.52 = 39,260.72 : x
2. Step 2: Convert to fraction form
   63,134.72/87,122.52 = 39,260.72/x
3. Step 3: Cross multiply
   63,134.72x = 87,122.52 × 39,260.72
4. Step 4: Simplify right side
   63,134.72x = 3,420,492,863.41
5. Step 5: Solve for x
   x = 3,420,492,863.41/63,134.72
6. Step 6: Final answer
   x = 54,177.68