Finding the Fourth Proportional to 16,165.29, 22,308.30 and 9,091.71

Step by Step Solution

1. Step 1: Write the proportion equation
   16,165.29 : 22,308.30 = 9,091.71 : x
2. Step 2: Convert to fraction form
   16,165.29/22,308.30 = 9,091.71/x
3. Step 3: Cross multiply
   16,165.29x = 22,308.30 × 9,091.71
4. Step 4: Simplify right side
   16,165.29x = 202,820,515.69
5. Step 5: Solve for x
   x = 202,820,515.69/16,165.29
6. Step 6: Final answer
   x = 12,546.67