Finding the Fourth Proportional to 16,225.74, 22,391.22 and 9,152.16

Step by Step Solution

1. Step 1: Write the proportion equation
   16,225.74 : 22,391.22 = 9,152.16 : x
2. Step 2: Convert to fraction form
   16,225.74/22,391.22 = 9,152.16/x
3. Step 3: Cross multiply
   16,225.74x = 22,391.22 × 9,152.16
4. Step 4: Simplify right side
   16,225.74x = 204,928,028.04
5. Step 5: Solve for x
   x = 204,928,028.04/16,225.74
6. Step 6: Final answer
   x = 12,629.81