Finding the Fourth Proportional to 1,826.72, 2,520.92 and 1,040.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,826.72 : 2,520.92 = 1,040.76 : x
2. Step 2: Convert to fraction form
   1,826.72/2,520.92 = 1,040.76/x
3. Step 3: Cross multiply
   1,826.72x = 2,520.92 × 1,040.76
4. Step 4: Simplify right side
   1,826.72x = 2,623,672.70
5. Step 5: Solve for x
   x = 2,623,672.70/1,826.72
6. Step 6: Final answer
   x = 1,436.28