Finding the Fourth Proportional to 16,200, 22,357.15 and 9,126.42

Step by Step Solution

1. Step 1: Write the proportion equation
   16,200 : 22,357.15 = 9,126.42 : x
2. Step 2: Convert to fraction form
   16,200/22,357.15 = 9,126.42/x
3. Step 3: Cross multiply
   16,200x = 22,357.15 × 9,126.42
4. Step 4: Simplify right side
   16,200x = 204,040,760.01
5. Step 5: Solve for x
   x = 204,040,760.01/16,200
6. Step 6: Final answer
   x = 12,595.11