Finding the Fourth Proportional to 2,597.27, 3,895.52 and 842.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,597.27 : 3,895.52 = 842.05 : x
2. Step 2: Convert to fraction form
   2,597.27/3,895.52 = 842.05/x
3. Step 3: Cross multiply
   2,597.27x = 3,895.52 × 842.05
4. Step 4: Simplify right side
   2,597.27x = 3,280,208.67
5. Step 5: Solve for x
   x = 3,280,208.67/2,597.27
6. Step 6: Final answer
   x = 1,262.94