Finding the Fourth Proportional to 39,062.43, 58,589.00 and 10,209.15

Step by Step Solution

1. Step 1: Write the proportion equation
   39,062.43 : 58,589.00 = 10,209.15 : x
2. Step 2: Convert to fraction form
   39,062.43/58,589.00 = 10,209.15/x
3. Step 3: Cross multiply
   39,062.43x = 58,589.00 × 10,209.15
4. Step 4: Simplify right side
   39,062.43x = 598,143,838.30
5. Step 5: Solve for x
   x = 598,143,838.30/39,062.43
6. Step 6: Final answer
   x = 15,312.51