Finding the Fourth Proportional to 16,223.22, 22,388.36 and 9,149.81

Step by Step Solution

1. Step 1: Write the proportion equation
   16,223.22 : 22,388.36 = 9,149.81 : x
2. Step 2: Convert to fraction form
   16,223.22/22,388.36 = 9,149.81/x
3. Step 3: Cross multiply
   16,223.22x = 22,388.36 × 9,149.81
4. Step 4: Simplify right side
   16,223.22x = 204,849,082.52
5. Step 5: Solve for x
   x = 204,849,082.52/16,223.22
6. Step 6: Final answer
   x = 12,626.91