Finding the Fourth Proportional to 3,443.42, 5,165.45 and 1,103.49

Step by Step Solution

1. Step 1: Write the proportion equation
   3,443.42 : 5,165.45 = 1,103.49 : x
2. Step 2: Convert to fraction form
   3,443.42/5,165.45 = 1,103.49/x
3. Step 3: Cross multiply
   3,443.42x = 5,165.45 × 1,103.49
4. Step 4: Simplify right side
   3,443.42x = 5,700,016.90
5. Step 5: Solve for x
   x = 5,700,016.90/3,443.42
6. Step 6: Final answer
   x = 1,655.34