Finding the Fourth Proportional to 80,560.52, 111,086.84 and 50,334.80

Step by Step Solution

1. Step 1: Write the proportion equation
   80,560.52 : 111,086.84 = 50,334.80 : x
2. Step 2: Convert to fraction form
   80,560.52/111,086.84 = 50,334.80/x
3. Step 3: Cross multiply
   80,560.52x = 111,086.84 × 50,334.80
4. Step 4: Simplify right side
   80,560.52x = 5,591,533,874.03
5. Step 5: Solve for x
   x = 5,591,533,874.03/80,560.52
6. Step 6: Final answer
   x = 69,407.87