Finding the Fourth Proportional to 87,022,987.98, 120,091,784.72 and 47,867,743.50

Step by Step Solution

1. Step 1: Write the proportion equation
   87,022,987.98 : 120,091,784.72 = 47,867,743.50 : x
2. Step 2: Convert to fraction form
   87,022,987.98/120,091,784.72 = 47,867,743.50/x
3. Step 3: Cross multiply
   87,022,987.98x = 120,091,784.72 × 47,867,743.50
4. Step 4: Simplify right side
   87,022,987.98x = 5,748,522,747,434,179
5. Step 5: Solve for x
   x = 5,748,522,747,434,179/87,022,987.98
6. Step 6: Final answer
   x = 66,057,519.75