Finding the Fourth Proportional to 2,418.15, 3,626.67 and 1,118.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,418.15 : 3,626.67 = 1,118.37 : x
2. Step 2: Convert to fraction form
   2,418.15/3,626.67 = 1,118.37/x
3. Step 3: Cross multiply
   2,418.15x = 3,626.67 × 1,118.37
4. Step 4: Simplify right side
   2,418.15x = 4,055,958.93
5. Step 5: Solve for x
   x = 4,055,958.93/2,418.15
6. Step 6: Final answer
   x = 1,677.30