Finding the Fourth Proportional to 87,325, 120,508.50 and 47,581

Step by Step Solution

1. Step 1: Write the proportion equation
   87,325 : 120,508.50 = 47,581 : x
2. Step 2: Convert to fraction form
   87,325/120,508.50 = 47,581/x
3. Step 3: Cross multiply
   87,325x = 120,508.50 × 47,581
4. Step 4: Simplify right side
   87,325x = 5,733,914,938.50
5. Step 5: Solve for x
   x = 5,733,914,938.50/87,325
6. Step 6: Final answer
   x = 65,661.78