Finding the Fourth Proportional to 2,401.56, 3,603.69 and 1,103.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,401.56 : 3,603.69 = 1,103.13 : x
2. Step 2: Convert to fraction form
   2,401.56/3,603.69 = 1,103.13/x
3. Step 3: Cross multiply
   2,401.56x = 3,603.69 × 1,103.13
4. Step 4: Simplify right side
   2,401.56x = 3,975,338.55
5. Step 5: Solve for x
   x = 3,975,338.55/2,401.56
6. Step 6: Final answer
   x = 1,655.32