Finding the Fourth Proportional to 1,826.43, 2,520.73 and 1,040.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,826.43 : 2,520.73 = 1,040.55 : x
2. Step 2: Convert to fraction form
   1,826.43/2,520.73 = 1,040.55/x
3. Step 3: Cross multiply
   1,826.43x = 2,520.73 × 1,040.55
4. Step 4: Simplify right side
   1,826.43x = 2,622,945.60
5. Step 5: Solve for x
   x = 2,622,945.60/1,826.43
6. Step 6: Final answer
   x = 1,436.11