Finding the Fourth Proportional to 2,065.59, 3,100.59 and 833.85

Step by Step Solution

1. Step 1: Write the proportion equation
   2,065.59 : 3,100.59 = 833.85 : x
2. Step 2: Convert to fraction form
   2,065.59/3,100.59 = 833.85/x
3. Step 3: Cross multiply
   2,065.59x = 3,100.59 × 833.85
4. Step 4: Simplify right side
   2,065.59x = 2,585,426.97
5. Step 5: Solve for x
   x = 2,585,426.97/2,065.59
6. Step 6: Final answer
   x = 1,251.67