Finding the Fourth Proportional to 16,243.24, 22,414.42 and 9,170.36

Step by Step Solution

1. Step 1: Write the proportion equation
   16,243.24 : 22,414.42 = 9,170.36 : x
2. Step 2: Convert to fraction form
   16,243.24/22,414.42 = 9,170.36/x
3. Step 3: Cross multiply
   16,243.24x = 22,414.42 × 9,170.36
4. Step 4: Simplify right side
   16,243.24x = 205,548,300.59
5. Step 5: Solve for x
   x = 205,548,300.59/16,243.24
6. Step 6: Final answer
   x = 12,654.39