Finding the Fourth Proportional to 16,139.07, 24,214.01 and 8,238.15

Step by Step Solution

1. Step 1: Write the proportion equation
   16,139.07 : 24,214.01 = 8,238.15 : x
2. Step 2: Convert to fraction form
   16,139.07/24,214.01 = 8,238.15/x
3. Step 3: Cross multiply
   16,139.07x = 24,214.01 × 8,238.15
4. Step 4: Simplify right side
   16,139.07x = 199,478,605.29
5. Step 5: Solve for x
   x = 199,478,605.29/16,139.07
6. Step 6: Final answer
   x = 12,359.98