Finding the Fourth Proportional to 60,831.13, 83,337.25 and 58,556.88

Step by Step Solution

1. Step 1: Write the proportion equation
   60,831.13 : 83,337.25 = 58,556.88 : x
2. Step 2: Convert to fraction form
   60,831.13/83,337.25 = 58,556.88/x
3. Step 3: Cross multiply
   60,831.13x = 83,337.25 × 58,556.88
4. Step 4: Simplify right side
   60,831.13x = 4,879,969,347.78
5. Step 5: Solve for x
   x = 4,879,969,347.78/60,831.13
6. Step 6: Final answer
   x = 80,221.58