Finding the Fourth Proportional to 80,827.57, 111,503.41 and 62,799.20

Step by Step Solution

1. Step 1: Write the proportion equation
   80,827.57 : 111,503.41 = 62,799.20 : x
2. Step 2: Convert to fraction form
   80,827.57/111,503.41 = 62,799.20/x
3. Step 3: Cross multiply
   80,827.57x = 111,503.41 × 62,799.20
4. Step 4: Simplify right side
   80,827.57x = 7,002,324,945.27
5. Step 5: Solve for x
   x = 7,002,324,945.27/80,827.57
6. Step 6: Final answer
   x = 86,632.88