Finding the Fourth Proportional to 2,576.24, 3,555.18 and 1,441.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,576.24 : 3,555.18 = 1,441.89 : x
2. Step 2: Convert to fraction form
   2,576.24/3,555.18 = 1,441.89/x
3. Step 3: Cross multiply
   2,576.24x = 3,555.18 × 1,441.89
4. Step 4: Simplify right side
   2,576.24x = 5,126,178.49
5. Step 5: Solve for x
   x = 5,126,178.49/2,576.24
6. Step 6: Final answer
   x = 1,989.79