Finding the Fourth Proportional to 16,123.98, 22,249.87 and 9,049.04

Step by Step Solution

1. Step 1: Write the proportion equation
   16,123.98 : 22,249.87 = 9,049.04 : x
2. Step 2: Convert to fraction form
   16,123.98/22,249.87 = 9,049.04/x
3. Step 3: Cross multiply
   16,123.98x = 22,249.87 × 9,049.04
4. Step 4: Simplify right side
   16,123.98x = 201,339,829.75
5. Step 5: Solve for x
   x = 201,339,829.75/16,123.98
6. Step 6: Final answer
   x = 12,486.98