Finding the Fourth Proportional to 2,065.28, 3,098.83 and 835.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,065.28 : 3,098.83 = 835.09 : x
2. Step 2: Convert to fraction form
   2,065.28/3,098.83 = 835.09/x
3. Step 3: Cross multiply
   2,065.28x = 3,098.83 × 835.09
4. Step 4: Simplify right side
   2,065.28x = 2,587,801.94
5. Step 5: Solve for x
   x = 2,587,801.94/2,065.28
6. Step 6: Final answer
   x = 1,253.00