Finding the Fourth Proportional to 82,613.56, 123,850.66 and 35,831.20

Step by Step Solution

1. Step 1: Write the proportion equation
   82,613.56 : 123,850.66 = 35,831.20 : x
2. Step 2: Convert to fraction form
   82,613.56/123,850.66 = 35,831.20/x
3. Step 3: Cross multiply
   82,613.56x = 123,850.66 × 35,831.20
4. Step 4: Simplify right side
   82,613.56x = 4,437,717,768.59
5. Step 5: Solve for x
   x = 4,437,717,768.59/82,613.56
6. Step 6: Final answer
   x = 53,716.58