Finding the Fourth Proportional to 87,657, 120,959.34 and 48,892.42

Step by Step Solution

1. Step 1: Write the proportion equation
   87,657 : 120,959.34 = 48,892.42 : x
2. Step 2: Convert to fraction form
   87,657/120,959.34 = 48,892.42/x
3. Step 3: Cross multiply
   87,657x = 120,959.34 × 48,892.42
4. Step 4: Simplify right side
   87,657x = 5,913,994,854.20
5. Step 5: Solve for x
   x = 5,913,994,854.20/87,657
6. Step 6: Final answer
   x = 67,467.46