Finding the Fourth Proportional to 16,154.64, 22,292.82 and 9,081.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,154.64 : 22,292.82 = 9,081.72 : x
2. Step 2: Convert to fraction form
   16,154.64/22,292.82 = 9,081.72/x
3. Step 3: Cross multiply
   16,154.64x = 22,292.82 × 9,081.72
4. Step 4: Simplify right side
   16,154.64x = 202,457,149.25
5. Step 5: Solve for x
   x = 202,457,149.25/16,154.64
6. Step 6: Final answer
   x = 12,532.45