Finding the Fourth Proportional to 2,585.80, 3,568.98 and 1,997.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,585.80 : 3,568.98 = 1,997.56 : x
2. Step 2: Convert to fraction form
   2,585.80/3,568.98 = 1,997.56/x
3. Step 3: Cross multiply
   2,585.80x = 3,568.98 × 1,997.56
4. Step 4: Simplify right side
   2,585.80x = 7,129,251.69
5. Step 5: Solve for x
   x = 7,129,251.69/2,585.80
6. Step 6: Final answer
   x = 2,757.08