Finding the Fourth Proportional to 82,517.27, 123,818.12 and 39,289.13

Step by Step Solution

1. Step 1: Write the proportion equation
   82,517.27 : 123,818.12 = 39,289.13 : x
2. Step 2: Convert to fraction form
   82,517.27/123,818.12 = 39,289.13/x
3. Step 3: Cross multiply
   82,517.27x = 123,818.12 × 39,289.13
4. Step 4: Simplify right side
   82,517.27x = 4,864,706,213.04
5. Step 5: Solve for x
   x = 4,864,706,213.04/82,517.27
6. Step 6: Final answer
   x = 58,953.79