Finding the Fourth Proportional to 60,831.62, 83,337.92 and 58,557.37

Step by Step Solution

1. Step 1: Write the proportion equation
   60,831.62 : 83,337.92 = 58,557.37 : x
2. Step 2: Convert to fraction form
   60,831.62/83,337.92 = 58,557.37/x
3. Step 3: Cross multiply
   60,831.62x = 83,337.92 × 58,557.37
4. Step 4: Simplify right side
   60,831.62x = 4,880,049,416.47
5. Step 5: Solve for x
   x = 4,880,049,416.47/60,831.62
6. Step 6: Final answer
   x = 80,222.25