Finding the Fourth Proportional to 88,799.78, 133,265.40 and 42,052.76

Step by Step Solution

1. Step 1: Write the proportion equation
   88,799.78 : 133,265.40 = 42,052.76 : x
2. Step 2: Convert to fraction form
   88,799.78/133,265.40 = 42,052.76/x
3. Step 3: Cross multiply
   88,799.78x = 133,265.40 × 42,052.76
4. Step 4: Simplify right side
   88,799.78x = 5,604,177,882.50
5. Step 5: Solve for x
   x = 5,604,177,882.50/88,799.78
6. Step 6: Final answer
   x = 63,110.27