Finding the Fourth Proportional to 16,156.71, 22,293.63 and 9,081.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,156.71 : 22,293.63 = 9,081.72 : x
2. Step 2: Convert to fraction form
   16,156.71/22,293.63 = 9,081.72/x
3. Step 3: Cross multiply
   16,156.71x = 22,293.63 × 9,081.72
4. Step 4: Simplify right side
   16,156.71x = 202,464,505.44
5. Step 5: Solve for x
   x = 202,464,505.44/16,156.71
6. Step 6: Final answer
   x = 12,531.30