Finding the Fourth Proportional to 5,667.57, 7,821.25 and 3,149.92

Step by Step Solution

1. Step 1: Write the proportion equation
   5,667.57 : 7,821.25 = 3,149.92 : x
2. Step 2: Convert to fraction form
   5,667.57/7,821.25 = 3,149.92/x
3. Step 3: Cross multiply
   5,667.57x = 7,821.25 × 3,149.92
4. Step 4: Simplify right side
   5,667.57x = 24,636,280.57
5. Step 5: Solve for x
   x = 24,636,280.57/5,667.57
6. Step 6: Final answer
   x = 4,346.88