Finding the Fourth Proportional to 87,766,180, 131,734,183.28 and 42,359,938.72

Step by Step Solution

1. Step 1: Write the proportion equation
   87,766,180 : 131,734,183.28 = 42,359,938.72 : x
2. Step 2: Convert to fraction form
   87,766,180/131,734,183.28 = 42,359,938.72/x
3. Step 3: Cross multiply
   87,766,180x = 131,734,183.28 × 42,359,938.72
4. Step 4: Simplify right side
   87,766,180x = 5,580,251,931,070,048
5. Step 5: Solve for x
   x = 5,580,251,931,070,048/87,766,180
6. Step 6: Final answer
   x = 63,580,891.08