Finding the Fourth Proportional to 1,826.80, 2,737.31 and 1,096.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,826.80 : 2,737.31 = 1,096.72 : x
2. Step 2: Convert to fraction form
   1,826.80/2,737.31 = 1,096.72/x
3. Step 3: Cross multiply
   1,826.80x = 2,737.31 × 1,096.72
4. Step 4: Simplify right side
   1,826.80x = 3,002,048.94
5. Step 5: Solve for x
   x = 3,002,048.94/1,826.80
6. Step 6: Final answer
   x = 1,643.34