Finding the Fourth Proportional to 16,123.01, 22,250.81 and 9,049.91

Step by Step Solution

1. Step 1: Write the proportion equation
   16,123.01 : 22,250.81 = 9,049.91 : x
2. Step 2: Convert to fraction form
   16,123.01/22,250.81 = 9,049.91/x
3. Step 3: Cross multiply
   16,123.01x = 22,250.81 × 9,049.91
4. Step 4: Simplify right side
   16,123.01x = 201,367,827.93
5. Step 5: Solve for x
   x = 201,367,827.93/16,123.01
6. Step 6: Final answer
   x = 12,489.47