Finding the Fourth Proportional to 82,071.29, 123,057.73 and 39,868.27

Step by Step Solution

1. Step 1: Write the proportion equation
   82,071.29 : 123,057.73 = 39,868.27 : x
2. Step 2: Convert to fraction form
   82,071.29/123,057.73 = 39,868.27/x
3. Step 3: Cross multiply
   82,071.29x = 123,057.73 × 39,868.27
4. Step 4: Simplify right side
   82,071.29x = 4,906,098,547.42
5. Step 5: Solve for x
   x = 4,906,098,547.42/82,071.29
6. Step 6: Final answer
   x = 59,778.50