Finding the Fourth Proportional to 87,657.86, 120,967.88 and 47,371.61

Step by Step Solution

1. Step 1: Write the proportion equation
   87,657.86 : 120,967.88 = 47,371.61 : x
2. Step 2: Convert to fraction form
   87,657.86/120,967.88 = 47,371.61/x
3. Step 3: Cross multiply
   87,657.86x = 120,967.88 × 47,371.61
4. Step 4: Simplify right side
   87,657.86x = 5,730,443,233.89
5. Step 5: Solve for x
   x = 5,730,443,233.89/87,657.86
6. Step 6: Final answer
   x = 65,372.84