Finding the Fourth Proportional to 2,576.76, 3,555.71 and 1,457.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,576.76 : 3,555.71 = 1,457.81 : x
2. Step 2: Convert to fraction form
   2,576.76/3,555.71 = 1,457.81/x
3. Step 3: Cross multiply
   2,576.76x = 3,555.71 × 1,457.81
4. Step 4: Simplify right side
   2,576.76x = 5,183,549.60
5. Step 5: Solve for x
   x = 5,183,549.60/2,576.76
6. Step 6: Final answer
   x = 2,011.65