Finding the Fourth Proportional to 2,403.72, 3,604.32 and 1,103.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,403.72 : 3,604.32 = 1,103.76 : x
2. Step 2: Convert to fraction form
   2,403.72/3,604.32 = 1,103.76/x
3. Step 3: Cross multiply
   2,403.72x = 3,604.32 × 1,103.76
4. Step 4: Simplify right side
   2,403.72x = 3,978,304.24
5. Step 5: Solve for x
   x = 3,978,304.24/2,403.72
6. Step 6: Final answer
   x = 1,655.06