Finding the Fourth Proportional to 16,270.20, 22,451.04 and 9,196.61

Step by Step Solution

1. Step 1: Write the proportion equation
   16,270.20 : 22,451.04 = 9,196.61 : x
2. Step 2: Convert to fraction form
   16,270.20/22,451.04 = 9,196.61/x
3. Step 3: Cross multiply
   16,270.20x = 22,451.04 × 9,196.61
4. Step 4: Simplify right side
   16,270.20x = 206,473,346.72
5. Step 5: Solve for x
   x = 206,473,346.72/16,270.20
6. Step 6: Final answer
   x = 12,690.28