Finding the Fourth Proportional to 16,196.10, 22,351.08 and 9,123.18

Step by Step Solution

1. Step 1: Write the proportion equation
   16,196.10 : 22,351.08 = 9,123.18 : x
2. Step 2: Convert to fraction form
   16,196.10/22,351.08 = 9,123.18/x
3. Step 3: Cross multiply
   16,196.10x = 22,351.08 × 9,123.18
4. Step 4: Simplify right side
   16,196.10x = 203,912,926.03
5. Step 5: Solve for x
   x = 203,912,926.03/16,196.10
6. Step 6: Final answer
   x = 12,590.25