Finding the Fourth Proportional to 16,270.30, 22,452.78 and 9,196.48

Step by Step Solution

1. Step 1: Write the proportion equation
   16,270.30 : 22,452.78 = 9,196.48 : x
2. Step 2: Convert to fraction form
   16,270.30/22,452.78 = 9,196.48/x
3. Step 3: Cross multiply
   16,270.30x = 22,452.78 × 9,196.48
4. Step 4: Simplify right side
   16,270.30x = 206,486,542.21
5. Step 5: Solve for x
   x = 206,486,542.21/16,270.30
6. Step 6: Final answer
   x = 12,691.01