Finding the Fourth Proportional to 80,789.76, 111,508.38 and 52,446.24

Step by Step Solution

1. Step 1: Write the proportion equation
   80,789.76 : 111,508.38 = 52,446.24 : x
2. Step 2: Convert to fraction form
   80,789.76/111,508.38 = 52,446.24/x
3. Step 3: Cross multiply
   80,789.76x = 111,508.38 × 52,446.24
4. Step 4: Simplify right side
   80,789.76x = 5,848,195,259.49
5. Step 5: Solve for x
   x = 5,848,195,259.49/80,789.76
6. Step 6: Final answer
   x = 72,387.83