Finding the Fourth Proportional to 2,401.21, 3,603.62 and 1,103.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,401.21 : 3,603.62 = 1,103.59 : x
2. Step 2: Convert to fraction form
   2,401.21/3,603.62 = 1,103.59/x
3. Step 3: Cross multiply
   2,401.21x = 3,603.62 × 1,103.59
4. Step 4: Simplify right side
   2,401.21x = 3,976,919.00
5. Step 5: Solve for x
   x = 3,976,919.00/2,401.21
6. Step 6: Final answer
   x = 1,656.21