Finding the Fourth Proportional to 80,535.92, 120,261.52 and 65,774.12

Step by Step Solution

1. Step 1: Write the proportion equation
   80,535.92 : 120,261.52 = 65,774.12 : x
2. Step 2: Convert to fraction form
   80,535.92/120,261.52 = 65,774.12/x
3. Step 3: Cross multiply
   80,535.92x = 120,261.52 × 65,774.12
4. Step 4: Simplify right side
   80,535.92x = 7,910,095,647.86
5. Step 5: Solve for x
   x = 7,910,095,647.86/80,535.92
6. Step 6: Final answer
   x = 98,218.23