Finding the Fourth Proportional to 12,289.41, 16,955.33 and 9,610.29

Step by Step Solution

1. Step 1: Write the proportion equation
   12,289.41 : 16,955.33 = 9,610.29 : x
2. Step 2: Convert to fraction form
   12,289.41/16,955.33 = 9,610.29/x
3. Step 3: Cross multiply
   12,289.41x = 16,955.33 × 9,610.29
4. Step 4: Simplify right side
   12,289.41x = 162,945,590.29
5. Step 5: Solve for x
   x = 162,945,590.29/12,289.41
6. Step 6: Final answer
   x = 13,259.02