Finding the Fourth Proportional to 11,704.87, 16,152.72 and 6,399.69

Step by Step Solution

1. Step 1: Write the proportion equation
   11,704.87 : 16,152.72 = 6,399.69 : x
2. Step 2: Convert to fraction form
   11,704.87/16,152.72 = 6,399.69/x
3. Step 3: Cross multiply
   11,704.87x = 16,152.72 × 6,399.69
4. Step 4: Simplify right side
   11,704.87x = 103,372,287.89
5. Step 5: Solve for x
   x = 103,372,287.89/11,704.87
6. Step 6: Final answer
   x = 8,831.57