Finding the Fourth Proportional to 2,589.56, 3,883.98 and 834.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,589.56 : 3,883.98 = 834.74 : x
2. Step 2: Convert to fraction form
   2,589.56/3,883.98 = 834.74/x
3. Step 3: Cross multiply
   2,589.56x = 3,883.98 × 834.74
4. Step 4: Simplify right side
   2,589.56x = 3,242,113.47
5. Step 5: Solve for x
   x = 3,242,113.47/2,589.56
6. Step 6: Final answer
   x = 1,251.99