Finding the Fourth Proportional to 16,775.48, 23,150.42 and 9,222.13

Step by Step Solution

1. Step 1: Write the proportion equation
   16,775.48 : 23,150.42 = 9,222.13 : x
2. Step 2: Convert to fraction form
   16,775.48/23,150.42 = 9,222.13/x
3. Step 3: Cross multiply
   16,775.48x = 23,150.42 × 9,222.13
4. Step 4: Simplify right side
   16,775.48x = 213,496,182.79
5. Step 5: Solve for x
   x = 213,496,182.79/16,775.48
6. Step 6: Final answer
   x = 12,726.68