Finding the Fourth Proportional to 2,077.29, 3,113.23 and 843.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,077.29 : 3,113.23 = 843.25 : x
2. Step 2: Convert to fraction form
   2,077.29/3,113.23 = 843.25/x
3. Step 3: Cross multiply
   2,077.29x = 3,113.23 × 843.25
4. Step 4: Simplify right side
   2,077.29x = 2,625,231.20
5. Step 5: Solve for x
   x = 2,625,231.20/2,077.29
6. Step 6: Final answer
   x = 1,263.78