Finding the Fourth Proportional to 80,770.79, 111,498.15 and 57,502.22

Step by Step Solution

1. Step 1: Write the proportion equation
   80,770.79 : 111,498.15 = 57,502.22 : x
2. Step 2: Convert to fraction form
   80,770.79/111,498.15 = 57,502.22/x
3. Step 3: Cross multiply
   80,770.79x = 111,498.15 × 57,502.22
4. Step 4: Simplify right side
   80,770.79x = 6,411,391,150.89
5. Step 5: Solve for x
   x = 6,411,391,150.89/80,770.79
6. Step 6: Final answer
   x = 79,377.60