Finding the Fourth Proportional to 2,580.75, 3,570.82 and 2,249.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,580.75 : 3,570.82 = 2,249.87 : x
2. Step 2: Convert to fraction form
   2,580.75/3,570.82 = 2,249.87/x
3. Step 3: Cross multiply
   2,580.75x = 3,570.82 × 2,249.87
4. Step 4: Simplify right side
   2,580.75x = 8,033,857.31
5. Step 5: Solve for x
   x = 8,033,857.31/2,580.75
6. Step 6: Final answer
   x = 3,112.99