Finding the Fourth Proportional to 87,050,495.82, 120,129,680.00 and 47,891,431.89

Step by Step Solution

1. Step 1: Write the proportion equation
   87,050,495.82 : 120,129,680.00 = 47,891,431.89 : x
2. Step 2: Convert to fraction form
   87,050,495.82/120,129,680.00 = 47,891,431.89/x
3. Step 3: Cross multiply
   87,050,495.82x = 120,129,680.00 × 47,891,431.89
4. Step 4: Simplify right side
   87,050,495.82x = 5,753,182,387,448,038
5. Step 5: Solve for x
   x = 5,753,182,387,448,038/87,050,495.82
6. Step 6: Final answer
   x = 66,090,173.68