Finding the Fourth Proportional to 5,667.24, 7,820.69 and 3,149.31

Step by Step Solution

1. Step 1: Write the proportion equation
   5,667.24 : 7,820.69 = 3,149.31 : x
2. Step 2: Convert to fraction form
   5,667.24/7,820.69 = 3,149.31/x
3. Step 3: Cross multiply
   5,667.24x = 7,820.69 × 3,149.31
4. Step 4: Simplify right side
   5,667.24x = 24,629,738.10
5. Step 5: Solve for x
   x = 24,629,738.10/5,667.24
6. Step 6: Final answer
   x = 4,345.98