Finding the Fourth Proportional to 82,518.27, 123,819.62 and 39,290.13

Step by Step Solution

1. Step 1: Write the proportion equation
   82,518.27 : 123,819.62 = 39,290.13 : x
2. Step 2: Convert to fraction form
   82,518.27/123,819.62 = 39,290.13/x
3. Step 3: Cross multiply
   82,518.27x = 123,819.62 × 39,290.13
4. Step 4: Simplify right side
   82,518.27x = 4,864,888,966.35
5. Step 5: Solve for x
   x = 4,864,888,966.35/82,518.27
6. Step 6: Final answer
   x = 58,955.30