Finding the Fourth Proportional to 3,569.47, 5,354.79 and 1,103.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,569.47 : 5,354.79 = 1,103.72 : x
2. Step 2: Convert to fraction form
   3,569.47/5,354.79 = 1,103.72/x
3. Step 3: Cross multiply
   3,569.47x = 5,354.79 × 1,103.72
4. Step 4: Simplify right side
   3,569.47x = 5,910,183.30
5. Step 5: Solve for x
   x = 5,910,183.30/3,569.47
6. Step 6: Final answer
   x = 1,655.76