Finding the Fourth Proportional to 2,403.98, 3,601.16 and 1,103.66

Step by Step Solution

1. Step 1: Write the proportion equation
   2,403.98 : 3,601.16 = 1,103.66 : x
2. Step 2: Convert to fraction form
   2,403.98/3,601.16 = 1,103.66/x
3. Step 3: Cross multiply
   2,403.98x = 3,601.16 × 1,103.66
4. Step 4: Simplify right side
   2,403.98x = 3,974,456.25
5. Step 5: Solve for x
   x = 3,974,456.25/2,403.98
6. Step 6: Final answer
   x = 1,653.28