Finding the Fourth Proportional to 2,570.24, 3,550.56 and 2,045.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,570.24 : 3,550.56 = 2,045.60 : x
2. Step 2: Convert to fraction form
   2,570.24/3,550.56 = 2,045.60/x
3. Step 3: Cross multiply
   2,570.24x = 3,550.56 × 2,045.60
4. Step 4: Simplify right side
   2,570.24x = 7,263,025.54
5. Step 5: Solve for x
   x = 7,263,025.54/2,570.24
6. Step 6: Final answer
   x = 2,825.82