Finding the Fourth Proportional to 16,104.20, 24,134.70 and 8,315.24

Step by Step Solution

1. Step 1: Write the proportion equation
   16,104.20 : 24,134.70 = 8,315.24 : x
2. Step 2: Convert to fraction form
   16,104.20/24,134.70 = 8,315.24/x
3. Step 3: Cross multiply
   16,104.20x = 24,134.70 × 8,315.24
4. Step 4: Simplify right side
   16,104.20x = 200,685,822.83
5. Step 5: Solve for x
   x = 200,685,822.83/16,104.20
6. Step 6: Final answer
   x = 12,461.71