Finding the Fourth Proportional to 16,067.52, 24,138.28 and 11,399.12

Step by Step Solution

1. Step 1: Write the proportion equation
   16,067.52 : 24,138.28 = 11,399.12 : x
2. Step 2: Convert to fraction form
   16,067.52/24,138.28 = 11,399.12/x
3. Step 3: Cross multiply
   16,067.52x = 24,138.28 × 11,399.12
4. Step 4: Simplify right side
   16,067.52x = 275,155,150.31
5. Step 5: Solve for x
   x = 275,155,150.31/16,067.52
6. Step 6: Final answer
   x = 17,124.93