Finding the Fourth Proportional to 8,667.81, 13,003.67 and 2,745.06

Step by Step Solution

1. Step 1: Write the proportion equation
   8,667.81 : 13,003.67 = 2,745.06 : x
2. Step 2: Convert to fraction form
   8,667.81/13,003.67 = 2,745.06/x
3. Step 3: Cross multiply
   8,667.81x = 13,003.67 × 2,745.06
4. Step 4: Simplify right side
   8,667.81x = 35,695,789.35
5. Step 5: Solve for x
   x = 35,695,789.35/8,667.81
6. Step 6: Final answer
   x = 4,118.20