Finding the Fourth Proportional to 14,340.16, 21,509.78 and 3,951.82

Step by Step Solution

1. Step 1: Write the proportion equation
   14,340.16 : 21,509.78 = 3,951.82 : x
2. Step 2: Convert to fraction form
   14,340.16/21,509.78 = 3,951.82/x
3. Step 3: Cross multiply
   14,340.16x = 21,509.78 × 3,951.82
4. Step 4: Simplify right side
   14,340.16x = 85,002,778.80
5. Step 5: Solve for x
   x = 85,002,778.80/14,340.16
6. Step 6: Final answer
   x = 5,927.60