Finding the Fourth Proportional to 3,574.21, 5,359.56 and 1,108.03

Step by Step Solution

1. Step 1: Write the proportion equation
   3,574.21 : 5,359.56 = 1,108.03 : x
2. Step 2: Convert to fraction form
   3,574.21/5,359.56 = 1,108.03/x
3. Step 3: Cross multiply
   3,574.21x = 5,359.56 × 1,108.03
4. Step 4: Simplify right side
   3,574.21x = 5,938,553.27
5. Step 5: Solve for x
   x = 5,938,553.27/3,574.21
6. Step 6: Final answer
   x = 1,661.50