Finding the Fourth Proportional to 2,285.08, 3,426.33 and 724.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,285.08 : 3,426.33 = 724.79 : x
2. Step 2: Convert to fraction form
   2,285.08/3,426.33 = 724.79/x
3. Step 3: Cross multiply
   2,285.08x = 3,426.33 × 724.79
4. Step 4: Simplify right side
   2,285.08x = 2,483,371.37
5. Step 5: Solve for x
   x = 2,483,371.37/2,285.08
6. Step 6: Final answer
   x = 1,086.78