Finding the Fourth Proportional to 16,610.38, 22,922.32 and 9,158.38

Step by Step Solution

1. Step 1: Write the proportion equation
   16,610.38 : 22,922.32 = 9,158.38 : x
2. Step 2: Convert to fraction form
   16,610.38/22,922.32 = 9,158.38/x
3. Step 3: Cross multiply
   16,610.38x = 22,922.32 × 9,158.38
4. Step 4: Simplify right side
   16,610.38x = 209,931,317.04
5. Step 5: Solve for x
   x = 209,931,317.04/16,610.38
6. Step 6: Final answer
   x = 12,638.56