Finding the Fourth Proportional to 2,403.07, 3,603.69 and 1,103.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,403.07 : 3,603.69 = 1,103.63 : x
2. Step 2: Convert to fraction form
   2,403.07/3,603.69 = 1,103.63/x
3. Step 3: Cross multiply
   2,403.07x = 3,603.69 × 1,103.63
4. Step 4: Simplify right side
   2,403.07x = 3,977,122.38
5. Step 5: Solve for x
   x = 3,977,122.38/2,403.07
6. Step 6: Final answer
   x = 1,655.02