Finding the Fourth Proportional to 16,229.29, 22,380.89 and 9,856.92

Step by Step Solution

1. Step 1: Write the proportion equation
   16,229.29 : 22,380.89 = 9,856.92 : x
2. Step 2: Convert to fraction form
   16,229.29/22,380.89 = 9,856.92/x
3. Step 3: Cross multiply
   16,229.29x = 22,380.89 × 9,856.92
4. Step 4: Simplify right side
   16,229.29x = 220,606,642.26
5. Step 5: Solve for x
   x = 220,606,642.26/16,229.29
6. Step 6: Final answer
   x = 13,593.12