Finding the Fourth Proportional to 2,591.81, 3,576.42 and 1,457.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,591.81 : 3,576.42 = 1,457.30 : x
2. Step 2: Convert to fraction form
   2,591.81/3,576.42 = 1,457.30/x
3. Step 3: Cross multiply
   2,591.81x = 3,576.42 × 1,457.30
4. Step 4: Simplify right side
   2,591.81x = 5,211,916.87
5. Step 5: Solve for x
   x = 5,211,916.87/2,591.81
6. Step 6: Final answer
   x = 2,010.92