Finding the Fourth Proportional to 16,648.56, 22,974.96 and 9,196.56

Step by Step Solution

1. Step 1: Write the proportion equation
   16,648.56 : 22,974.96 = 9,196.56 : x
2. Step 2: Convert to fraction form
   16,648.56/22,974.96 = 9,196.56/x
3. Step 3: Cross multiply
   16,648.56x = 22,974.96 × 9,196.56
4. Step 4: Simplify right side
   16,648.56x = 211,290,598.14
5. Step 5: Solve for x
   x = 211,290,598.14/16,648.56
6. Step 6: Final answer
   x = 12,691.22