Finding the Fourth Proportional to 5,441.29, 8,155.05 and 2,667.31

Step by Step Solution

1. Step 1: Write the proportion equation
   5,441.29 : 8,155.05 = 2,667.31 : x
2. Step 2: Convert to fraction form
   5,441.29/8,155.05 = 2,667.31/x
3. Step 3: Cross multiply
   5,441.29x = 8,155.05 × 2,667.31
4. Step 4: Simplify right side
   5,441.29x = 21,752,046.42
5. Step 5: Solve for x
   x = 21,752,046.42/5,441.29
6. Step 6: Final answer
   x = 3,997.59