Finding the Fourth Proportional to 87,047.98, 130,397.01 and 45,407.50

Step by Step Solution

1. Step 1: Write the proportion equation
   87,047.98 : 130,397.01 = 45,407.50 : x
2. Step 2: Convert to fraction form
   87,047.98/130,397.01 = 45,407.50/x
3. Step 3: Cross multiply
   87,047.98x = 130,397.01 × 45,407.50
4. Step 4: Simplify right side
   87,047.98x = 5,921,002,231.58
5. Step 5: Solve for x
   x = 5,921,002,231.58/87,047.98
6. Step 6: Final answer
   x = 68,019.98