Finding the Fourth Proportional to 2,576.37, 3,555.72 and 1,457.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,576.37 : 3,555.72 = 1,457.76 : x
2. Step 2: Convert to fraction form
   2,576.37/3,555.72 = 1,457.76/x
3. Step 3: Cross multiply
   2,576.37x = 3,555.72 × 1,457.76
4. Step 4: Simplify right side
   2,576.37x = 5,183,386.39
5. Step 5: Solve for x
   x = 5,183,386.39/2,576.37
6. Step 6: Final answer
   x = 2,011.90