Finding the Fourth Proportional to 1,826.75, 2,520.73 and 1,080.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,826.75 : 2,520.73 = 1,080.57 : x
2. Step 2: Convert to fraction form
   1,826.75/2,520.73 = 1,080.57/x
3. Step 3: Cross multiply
   1,826.75x = 2,520.73 × 1,080.57
4. Step 4: Simplify right side
   1,826.75x = 2,723,816.27
5. Step 5: Solve for x
   x = 2,723,816.27/1,826.75
6. Step 6: Final answer
   x = 1,491.07