Finding the Fourth Proportional to 8,667.31, 13,002.92 and 2,744.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,667.31 : 13,002.92 = 2,744.56 : x
2. Step 2: Convert to fraction form
   8,667.31/13,002.92 = 2,744.56/x
3. Step 3: Cross multiply
   8,667.31x = 13,002.92 × 2,744.56
4. Step 4: Simplify right side
   8,667.31x = 35,687,229.10
5. Step 5: Solve for x
   x = 35,687,229.10/8,667.31
6. Step 6: Final answer
   x = 4,117.45