Finding the Fourth Proportional to 88,802.80, 133,269.90 and 42,055.76

Step by Step Solution

1. Step 1: Write the proportion equation
   88,802.80 : 133,269.90 = 42,055.76 : x
2. Step 2: Convert to fraction form
   88,802.80/133,269.90 = 42,055.76/x
3. Step 3: Cross multiply
   88,802.80x = 133,269.90 × 42,055.76
4. Step 4: Simplify right side
   88,802.80x = 5,604,766,929.62
5. Step 5: Solve for x
   x = 5,604,766,929.62/88,802.80
6. Step 6: Final answer
   x = 63,114.75