Finding the Fourth Proportional to 88,792.80, 133,188.84 and 42,078.48

Step by Step Solution

1. Step 1: Write the proportion equation
   88,792.80 : 133,188.84 = 42,078.48 : x
2. Step 2: Convert to fraction form
   88,792.80/133,188.84 = 42,078.48/x
3. Step 3: Cross multiply
   88,792.80x = 133,188.84 × 42,078.48
4. Step 4: Simplify right side
   88,792.80x = 5,604,383,940.16
5. Step 5: Solve for x
   x = 5,604,383,940.16/88,792.80
6. Step 6: Final answer
   x = 63,117.55