Finding the Fourth Proportional to 5,667.47, 7,820.42 and 3,149.26

Step by Step Solution

1. Step 1: Write the proportion equation
   5,667.47 : 7,820.42 = 3,149.26 : x
2. Step 2: Convert to fraction form
   5,667.47/7,820.42 = 3,149.26/x
3. Step 3: Cross multiply
   5,667.47x = 7,820.42 × 3,149.26
4. Step 4: Simplify right side
   5,667.47x = 24,628,535.89
5. Step 5: Solve for x
   x = 24,628,535.89/5,667.47
6. Step 6: Final answer
   x = 4,345.60