Finding the Fourth Proportional to 16,648.50, 22,974.93 and 9,196.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,648.50 : 22,974.93 = 9,196.50 : x
2. Step 2: Convert to fraction form
   16,648.50/22,974.93 = 9,196.50/x
3. Step 3: Cross multiply
   16,648.50x = 22,974.93 × 9,196.50
4. Step 4: Simplify right side
   16,648.50x = 211,288,943.75
5. Step 5: Solve for x
   x = 211,288,943.75/16,648.50
6. Step 6: Final answer
   x = 12,691.17