Finding the Fourth Proportional to 3,443.54, 5,165.20 and 1,103.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,443.54 : 5,165.20 = 1,103.52 : x
2. Step 2: Convert to fraction form
   3,443.54/5,165.20 = 1,103.52/x
3. Step 3: Cross multiply
   3,443.54x = 5,165.20 × 1,103.52
4. Step 4: Simplify right side
   3,443.54x = 5,699,901.50
5. Step 5: Solve for x
   x = 5,699,901.50/3,443.54
6. Step 6: Final answer
   x = 1,655.24