Finding the Fourth Proportional to 16,610.56, 22,922.48 and 9,158.56

Step by Step Solution

1. Step 1: Write the proportion equation
   16,610.56 : 22,922.48 = 9,158.56 : x
2. Step 2: Convert to fraction form
   16,610.56/22,922.48 = 9,158.56/x
3. Step 3: Cross multiply
   16,610.56x = 22,922.48 × 9,158.56
4. Step 4: Simplify right side
   16,610.56x = 209,936,908.43
5. Step 5: Solve for x
   x = 209,936,908.43/16,610.56
6. Step 6: Final answer
   x = 12,638.76