Finding the Fourth Proportional to 3,667.55, 5,057.55 and 2,408.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,667.55 : 5,057.55 = 2,408.18 : x
2. Step 2: Convert to fraction form
   3,667.55/5,057.55 = 2,408.18/x
3. Step 3: Cross multiply
   3,667.55x = 5,057.55 × 2,408.18
4. Step 4: Simplify right side
   3,667.55x = 12,179,465.47
5. Step 5: Solve for x
   x = 12,179,465.47/3,667.55
6. Step 6: Final answer
   x = 3,320.88