Finding the Fourth Proportional to 1,809.55, 2,713.38 and 834.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,809.55 : 2,713.38 = 834.82 : x
2. Step 2: Convert to fraction form
   1,809.55/2,713.38 = 834.82/x
3. Step 3: Cross multiply
   1,809.55x = 2,713.38 × 834.82
4. Step 4: Simplify right side
   1,809.55x = 2,265,183.89
5. Step 5: Solve for x
   x = 2,265,183.89/1,809.55
6. Step 6: Final answer
   x = 1,251.79