Finding the Fourth Proportional to 88,285,086.42, 132,341,711.94 and 42,215,056.62

Step by Step Solution

1. Step 1: Write the proportion equation
   88,285,086.42 : 132,341,711.94 = 42,215,056.62 : x
2. Step 2: Convert to fraction form
   88,285,086.42/132,341,711.94 = 42,215,056.62/x
3. Step 3: Cross multiply
   88,285,086.42x = 132,341,711.94 × 42,215,056.62
4. Step 4: Simplify right side
   88,285,086.42x = 5,586,812,862,734,830
5. Step 5: Solve for x
   x = 5,586,812,862,734,830/88,285,086.42
6. Step 6: Final answer
   x = 63,281,501.89