Finding the Fourth Proportional to 16,407.52, 24,605.16 and 5,311.30

Step by Step Solution

1. Step 1: Write the proportion equation
   16,407.52 : 24,605.16 = 5,311.30 : x
2. Step 2: Convert to fraction form
   16,407.52/24,605.16 = 5,311.30/x
3. Step 3: Cross multiply
   16,407.52x = 24,605.16 × 5,311.30
4. Step 4: Simplify right side
   16,407.52x = 130,685,386.31
5. Step 5: Solve for x
   x = 130,685,386.31/16,407.52
6. Step 6: Final answer
   x = 7,964.97