Finding the Fourth Proportional to 16,366.72, 22,586.16 and 9,196.94

Step by Step Solution

1. Step 1: Write the proportion equation
   16,366.72 : 22,586.16 = 9,196.94 : x
2. Step 2: Convert to fraction form
   16,366.72/22,586.16 = 9,196.94/x
3. Step 3: Cross multiply
   16,366.72x = 22,586.16 × 9,196.94
4. Step 4: Simplify right side
   16,366.72x = 207,723,445.42
5. Step 5: Solve for x
   x = 207,723,445.42/16,366.72
6. Step 6: Final answer
   x = 12,691.82