Finding the Fourth Proportional to 16,196.70, 22,350.60 and 9,123.54

Step by Step Solution

1. Step 1: Write the proportion equation
   16,196.70 : 22,350.60 = 9,123.54 : x
2. Step 2: Convert to fraction form
   16,196.70/22,350.60 = 9,123.54/x
3. Step 3: Cross multiply
   16,196.70x = 22,350.60 × 9,123.54
4. Step 4: Simplify right side
   16,196.70x = 203,916,593.12
5. Step 5: Solve for x
   x = 203,916,593.12/16,196.70
6. Step 6: Final answer
   x = 12,590.01