Finding the Fourth Proportional to 82,958.04, 123,831.42 and 71,187.45

Step by Step Solution

1. Step 1: Write the proportion equation
   82,958.04 : 123,831.42 = 71,187.45 : x
2. Step 2: Convert to fraction form
   82,958.04/123,831.42 = 71,187.45/x
3. Step 3: Cross multiply
   82,958.04x = 123,831.42 × 71,187.45
4. Step 4: Simplify right side
   82,958.04x = 8,815,243,019.68
5. Step 5: Solve for x
   x = 8,815,243,019.68/82,958.04
6. Step 6: Final answer
   x = 106,261.47