Finding the Fourth Proportional to 8,667.56, 13,003.30 and 2,744.81

Step by Step Solution

1. Step 1: Write the proportion equation
   8,667.56 : 13,003.30 = 2,744.81 : x
2. Step 2: Convert to fraction form
   8,667.56/13,003.30 = 2,744.81/x
3. Step 3: Cross multiply
   8,667.56x = 13,003.30 × 2,744.81
4. Step 4: Simplify right side
   8,667.56x = 35,691,515.99
5. Step 5: Solve for x
   x = 35,691,515.99/8,667.56
6. Step 6: Final answer
   x = 4,117.83