Finding the Fourth Proportional to 16,124.30, 24,213.72 and 9,896.78

Step by Step Solution

1. Step 1: Write the proportion equation
   16,124.30 : 24,213.72 = 9,896.78 : x
2. Step 2: Convert to fraction form
   16,124.30/24,213.72 = 9,896.78/x
3. Step 3: Cross multiply
   16,124.30x = 24,213.72 × 9,896.78
4. Step 4: Simplify right side
   16,124.30x = 239,637,859.82
5. Step 5: Solve for x
   x = 239,637,859.82/16,124.30
6. Step 6: Final answer
   x = 14,861.91