Finding the Fourth Proportional to 3,568.80, 5,353.71 and 1,103.83

Step by Step Solution

1. Step 1: Write the proportion equation
   3,568.80 : 5,353.71 = 1,103.83 : x
2. Step 2: Convert to fraction form
   3,568.80/5,353.71 = 1,103.83/x
3. Step 3: Cross multiply
   3,568.80x = 5,353.71 × 1,103.83
4. Step 4: Simplify right side
   3,568.80x = 5,909,585.71
5. Step 5: Solve for x
   x = 5,909,585.71/3,568.80
6. Step 6: Final answer
   x = 1,655.90