Finding the Fourth Proportional to 2,574.72, 3,552.90 and 1,455.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,574.72 : 3,552.90 = 1,455.60 : x
2. Step 2: Convert to fraction form
   2,574.72/3,552.90 = 1,455.60/x
3. Step 3: Cross multiply
   2,574.72x = 3,552.90 × 1,455.60
4. Step 4: Simplify right side
   2,574.72x = 5,171,601.24
5. Step 5: Solve for x
   x = 5,171,601.24/2,574.72
6. Step 6: Final answer
   x = 2,008.61