Finding the Fourth Proportional to 2,574.38, 3,552.54 and 1,455.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,574.38 : 3,552.54 = 1,455.30 : x
2. Step 2: Convert to fraction form
   2,574.38/3,552.54 = 1,455.30/x
3. Step 3: Cross multiply
   2,574.38x = 3,552.54 × 1,455.30
4. Step 4: Simplify right side
   2,574.38x = 5,170,011.46
5. Step 5: Solve for x
   x = 5,170,011.46/2,574.38
6. Step 6: Final answer
   x = 2,008.25