Finding the Fourth Proportional to 16,299.72, 22,493.25 and 9,225.99

Step by Step Solution

1. Step 1: Write the proportion equation
   16,299.72 : 22,493.25 = 9,225.99 : x
2. Step 2: Convert to fraction form
   16,299.72/22,493.25 = 9,225.99/x
3. Step 3: Cross multiply
   16,299.72x = 22,493.25 × 9,225.99
4. Step 4: Simplify right side
   16,299.72x = 207,522,499.57
5. Step 5: Solve for x
   x = 207,522,499.57/16,299.72
6. Step 6: Final answer
   x = 12,731.66