Finding the Fourth Proportional to 2,150.39, 3,223.88 and 834.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,150.39 : 3,223.88 = 834.09 : x
2. Step 2: Convert to fraction form
   2,150.39/3,223.88 = 834.09/x
3. Step 3: Cross multiply
   2,150.39x = 3,223.88 × 834.09
4. Step 4: Simplify right side
   2,150.39x = 2,689,001.90
5. Step 5: Solve for x
   x = 2,689,001.90/2,150.39
6. Step 6: Final answer
   x = 1,250.47