Finding the Fourth Proportional to 80,498.87, 111,088.83 and 50,301.73

Step by Step Solution

1. Step 1: Write the proportion equation
   80,498.87 : 111,088.83 = 50,301.73 : x
2. Step 2: Convert to fraction form
   80,498.87/111,088.83 = 50,301.73/x
3. Step 3: Cross multiply
   80,498.87x = 111,088.83 × 50,301.73
4. Step 4: Simplify right side
   80,498.87x = 5,587,960,332.68
5. Step 5: Solve for x
   x = 5,587,960,332.68/80,498.87
6. Step 6: Final answer
   x = 69,416.63