Finding the Fourth Proportional to 63,929.92, 88,182.12 and 42,419.20

Step by Step Solution

1. Step 1: Write the proportion equation
   63,929.92 : 88,182.12 = 42,419.20 : x
2. Step 2: Convert to fraction form
   63,929.92/88,182.12 = 42,419.20/x
3. Step 3: Cross multiply
   63,929.92x = 88,182.12 × 42,419.20
4. Step 4: Simplify right side
   63,929.92x = 3,740,614,984.70
5. Step 5: Solve for x
   x = 3,740,614,984.70/63,929.92
6. Step 6: Final answer
   x = 58,511.18