Finding the Fourth Proportional to 5,662.88, 7,814.76 and 3,145.24

Step by Step Solution

1. Step 1: Write the proportion equation
   5,662.88 : 7,814.76 = 3,145.24 : x
2. Step 2: Convert to fraction form
   5,662.88/7,814.76 = 3,145.24/x
3. Step 3: Cross multiply
   5,662.88x = 7,814.76 × 3,145.24
4. Step 4: Simplify right side
   5,662.88x = 24,579,293.72
5. Step 5: Solve for x
   x = 24,579,293.72/5,662.88
6. Step 6: Final answer
   x = 4,340.42