Finding the Fourth Proportional to 16,225.59, 22,389.98 and 9,153.75

Step by Step Solution

1. Step 1: Write the proportion equation
   16,225.59 : 22,389.98 = 9,153.75 : x
2. Step 2: Convert to fraction form
   16,225.59/22,389.98 = 9,153.75/x
3. Step 3: Cross multiply
   16,225.59x = 22,389.98 × 9,153.75
4. Step 4: Simplify right side
   16,225.59x = 204,952,233.66
5. Step 5: Solve for x
   x = 204,952,233.66/16,225.59
6. Step 6: Final answer
   x = 12,631.42