Finding the Fourth Proportional to 3,603.54, 5,402.43 and 2,418.84

Step by Step Solution

1. Step 1: Write the proportion equation
   3,603.54 : 5,402.43 = 2,418.84 : x
2. Step 2: Convert to fraction form
   3,603.54/5,402.43 = 2,418.84/x
3. Step 3: Cross multiply
   3,603.54x = 5,402.43 × 2,418.84
4. Step 4: Simplify right side
   3,603.54x = 13,067,613.78
5. Step 5: Solve for x
   x = 13,067,613.78/3,603.54
6. Step 6: Final answer
   x = 3,626.33