Finding the Fourth Proportional to 80,581.92, 111,113.37 and 55,092.42

Step by Step Solution

1. Step 1: Write the proportion equation
   80,581.92 : 111,113.37 = 55,092.42 : x
2. Step 2: Convert to fraction form
   80,581.92/111,113.37 = 55,092.42/x
3. Step 3: Cross multiply
   80,581.92x = 111,113.37 × 55,092.42
4. Step 4: Simplify right side
   80,581.92x = 6,121,504,447.66
5. Step 5: Solve for x
   x = 6,121,504,447.66/80,581.92
6. Step 6: Final answer
   x = 75,966.23