Finding the Fourth Proportional to 16,749.43, 23,114.31 and 9,196.09

Step by Step Solution

1. Step 1: Write the proportion equation
   16,749.43 : 23,114.31 = 9,196.09 : x
2. Step 2: Convert to fraction form
   16,749.43/23,114.31 = 9,196.09/x
3. Step 3: Cross multiply
   16,749.43x = 23,114.31 × 9,196.09
4. Step 4: Simplify right side
   16,749.43x = 212,561,275.05
5. Step 5: Solve for x
   x = 212,561,275.05/16,749.43
6. Step 6: Final answer
   x = 12,690.66