Finding the Fourth Proportional to 2,576.15, 3,555.27 and 1,457.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,576.15 : 3,555.27 = 1,457.09 : x
2. Step 2: Convert to fraction form
   2,576.15/3,555.27 = 1,457.09/x
3. Step 3: Cross multiply
   2,576.15x = 3,555.27 × 1,457.09
4. Step 4: Simplify right side
   2,576.15x = 5,180,343.92
5. Step 5: Solve for x
   x = 5,180,343.92/2,576.15
6. Step 6: Final answer
   x = 2,010.88