Finding the Fourth Proportional to 2,403.98, 3,603.49 and 1,018.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,403.98 : 3,603.49 = 1,018.18 : x
2. Step 2: Convert to fraction form
   2,403.98/3,603.49 = 1,018.18/x
3. Step 3: Cross multiply
   2,403.98x = 3,603.49 × 1,018.18
4. Step 4: Simplify right side
   2,403.98x = 3,668,988.86
5. Step 5: Solve for x
   x = 3,668,988.86/2,403.98
6. Step 6: Final answer
   x = 1,526.21