Finding the Fourth Proportional to 16,257.91, 24,388.13 and 5,165.23

Step by Step Solution

1. Step 1: Write the proportion equation
   16,257.91 : 24,388.13 = 5,165.23 : x
2. Step 2: Convert to fraction form
   16,257.91/24,388.13 = 5,165.23/x
3. Step 3: Cross multiply
   16,257.91x = 24,388.13 × 5,165.23
4. Step 4: Simplify right side
   16,257.91x = 125,970,300.72
5. Step 5: Solve for x
   x = 125,970,300.72/16,257.91
6. Step 6: Final answer
   x = 7,748.25