Finding the Fourth Proportional to 16,406.10, 24,600.69 and 5,311.35

Step by Step Solution

1. Step 1: Write the proportion equation
   16,406.10 : 24,600.69 = 5,311.35 : x
2. Step 2: Convert to fraction form
   16,406.10/24,600.69 = 5,311.35/x
3. Step 3: Cross multiply
   16,406.10x = 24,600.69 × 5,311.35
4. Step 4: Simplify right side
   16,406.10x = 130,662,874.83
5. Step 5: Solve for x
   x = 130,662,874.83/16,406.10
6. Step 6: Final answer
   x = 7,964.29