Finding the Fourth Proportional to 87,587,870.40, 120,866,382.72 and 48,427,294.72

Step by Step Solution

1. Step 1: Write the proportion equation
   87,587,870.40 : 120,866,382.72 = 48,427,294.72 : x
2. Step 2: Convert to fraction form
   87,587,870.40/120,866,382.72 = 48,427,294.72/x
3. Step 3: Cross multiply
   87,587,870.40x = 120,866,382.72 × 48,427,294.72
4. Step 4: Simplify right side
   87,587,870.40x = 5,853,231,937,721,755
5. Step 5: Solve for x
   x = 5,853,231,937,721,755/87,587,870.40
6. Step 6: Final answer
   x = 66,826,969.43