Finding the Fourth Proportional to 3,403.10, 5,105.39 and 1,063.28

Step by Step Solution

1. Step 1: Write the proportion equation
   3,403.10 : 5,105.39 = 1,063.28 : x
2. Step 2: Convert to fraction form
   3,403.10/5,105.39 = 1,063.28/x
3. Step 3: Cross multiply
   3,403.10x = 5,105.39 × 1,063.28
4. Step 4: Simplify right side
   3,403.10x = 5,428,428.24
5. Step 5: Solve for x
   x = 5,428,428.24/3,403.10
6. Step 6: Final answer
   x = 1,595.14