Finding the Fourth Proportional to 16,409.52, 22,589.28 and 12,424.32

Step by Step Solution

1. Step 1: Write the proportion equation
   16,409.52 : 22,589.28 = 12,424.32 : x
2. Step 2: Convert to fraction form
   16,409.52/22,589.28 = 12,424.32/x
3. Step 3: Cross multiply
   16,409.52x = 22,589.28 × 12,424.32
4. Step 4: Simplify right side
   16,409.52x = 280,656,443.29
5. Step 5: Solve for x
   x = 280,656,443.29/16,409.52
6. Step 6: Final answer
   x = 17,103.27