Finding the Fourth Proportional to 1,682.27, 2,321.55 and 936.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,682.27 : 2,321.55 = 936.29 : x
2. Step 2: Convert to fraction form
   1,682.27/2,321.55 = 936.29/x
3. Step 3: Cross multiply
   1,682.27x = 2,321.55 × 936.29
4. Step 4: Simplify right side
   1,682.27x = 2,173,644.05
5. Step 5: Solve for x
   x = 2,173,644.05/1,682.27
6. Step 6: Final answer
   x = 1,292.09