Finding the Fourth Proportional to 3,574.28, 5,355.50 and 2,529.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,574.28 : 5,355.50 = 2,529.10 : x
2. Step 2: Convert to fraction form
   3,574.28/5,355.50 = 2,529.10/x
3. Step 3: Cross multiply
   3,574.28x = 5,355.50 × 2,529.10
4. Step 4: Simplify right side
   3,574.28x = 13,544,605.65
5. Step 5: Solve for x
   x = 13,544,605.65/3,574.28
6. Step 6: Final answer
   x = 3,789.46