Finding the Fourth Proportional to 2,737.29, 4,105.89 and 685.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,737.29 : 4,105.89 = 685.29 : x
2. Step 2: Convert to fraction form
   2,737.29/4,105.89 = 685.29/x
3. Step 3: Cross multiply
   2,737.29x = 4,105.89 × 685.29
4. Step 4: Simplify right side
   2,737.29x = 2,813,725.36
5. Step 5: Solve for x
   x = 2,813,725.36/2,737.29
6. Step 6: Final answer
   x = 1,027.92