Finding the Fourth Proportional to 16,123.38, 22,252.37 and 9,049.81

Step by Step Solution

1. Step 1: Write the proportion equation
   16,123.38 : 22,252.37 = 9,049.81 : x
2. Step 2: Convert to fraction form
   16,123.38/22,252.37 = 9,049.81/x
3. Step 3: Cross multiply
   16,123.38x = 22,252.37 × 9,049.81
4. Step 4: Simplify right side
   16,123.38x = 201,379,675.30
5. Step 5: Solve for x
   x = 201,379,675.30/16,123.38
6. Step 6: Final answer
   x = 12,489.92