Finding the Fourth Proportional to 16,270.70, 22,453.59 and 9,196.97

Step by Step Solution

1. Step 1: Write the proportion equation
   16,270.70 : 22,453.59 = 9,196.97 : x
2. Step 2: Convert to fraction form
   16,270.70/22,453.59 = 9,196.97/x
3. Step 3: Cross multiply
   16,270.70x = 22,453.59 × 9,196.97
4. Step 4: Simplify right side
   16,270.70x = 206,504,881.35
5. Step 5: Solve for x
   x = 206,504,881.35/16,270.70
6. Step 6: Final answer
   x = 12,691.83