Finding the Fourth Proportional to 3,568.74, 5,353.62 and 1,103.76

Step by Step Solution

1. Step 1: Write the proportion equation
   3,568.74 : 5,353.62 = 1,103.76 : x
2. Step 2: Convert to fraction form
   3,568.74/5,353.62 = 1,103.76/x
3. Step 3: Cross multiply
   3,568.74x = 5,353.62 × 1,103.76
4. Step 4: Simplify right side
   3,568.74x = 5,909,111.61
5. Step 5: Solve for x
   x = 5,909,111.61/3,568.74
6. Step 6: Final answer
   x = 1,655.80