Finding the Fourth Proportional to 2,576.69, 3,556.34 and 1,457.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,576.69 : 3,556.34 = 1,457.63 : x
2. Step 2: Convert to fraction form
   2,576.69/3,556.34 = 1,457.63/x
3. Step 3: Cross multiply
   2,576.69x = 3,556.34 × 1,457.63
4. Step 4: Simplify right side
   2,576.69x = 5,183,802.80
5. Step 5: Solve for x
   x = 5,183,802.80/2,576.69
6. Step 6: Final answer
   x = 2,011.81