Finding the Fourth Proportional to 63,385.92, 87,320.04 and 53,314.56

Step by Step Solution

1. Step 1: Write the proportion equation
   63,385.92 : 87,320.04 = 53,314.56 : x
2. Step 2: Convert to fraction form
   63,385.92/87,320.04 = 53,314.56/x
3. Step 3: Cross multiply
   63,385.92x = 87,320.04 × 53,314.56
4. Step 4: Simplify right side
   63,385.92x = 4,655,429,511.78
5. Step 5: Solve for x
   x = 4,655,429,511.78/63,385.92
6. Step 6: Final answer
   x = 73,445.80