Finding the Fourth Proportional to 16,257.92, 24,386.78 and 5,725.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,257.92 : 24,386.78 = 5,725.50 : x
2. Step 2: Convert to fraction form
   16,257.92/24,386.78 = 5,725.50/x
3. Step 3: Cross multiply
   16,257.92x = 24,386.78 × 5,725.50
4. Step 4: Simplify right side
   16,257.92x = 139,626,508.89
5. Step 5: Solve for x
   x = 139,626,508.89/16,257.92
6. Step 6: Final answer
   x = 8,588.21