Finding the Fourth Proportional to 3,574.55, 5,362.65 and 1,109.24

Step by Step Solution

1. Step 1: Write the proportion equation
   3,574.55 : 5,362.65 = 1,109.24 : x
2. Step 2: Convert to fraction form
   3,574.55/5,362.65 = 1,109.24/x
3. Step 3: Cross multiply
   3,574.55x = 5,362.65 × 1,109.24
4. Step 4: Simplify right side
   3,574.55x = 5,948,465.89
5. Step 5: Solve for x
   x = 5,948,465.89/3,574.55
6. Step 6: Final answer
   x = 1,664.12