Finding the Fourth Proportional to 87,641,844, 120,949,305.89 and 48,482,945.61

Step by Step Solution

1. Step 1: Write the proportion equation
   87,641,844 : 120,949,305.89 = 48,482,945.61 : x
2. Step 2: Convert to fraction form
   87,641,844/120,949,305.89 = 48,482,945.61/x
3. Step 3: Cross multiply
   87,641,844x = 120,949,305.89 × 48,482,945.61
4. Step 4: Simplify right side
   87,641,844x = 5,863,978,618,789,708
5. Step 5: Solve for x
   x = 5,863,978,618,789,708/87,641,844
6. Step 6: Final answer
   x = 66,908,434.96