Finding the Fourth Proportional to 2,692.56, 4,039.24 and 843.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,692.56 : 4,039.24 = 843.82 : x
2. Step 2: Convert to fraction form
   2,692.56/4,039.24 = 843.82/x
3. Step 3: Cross multiply
   2,692.56x = 4,039.24 × 843.82
4. Step 4: Simplify right side
   2,692.56x = 3,408,391.50
5. Step 5: Solve for x
   x = 3,408,391.50/2,692.56
6. Step 6: Final answer
   x = 1,265.86