Finding the Fourth Proportional to 2,774.55, 4,162.49 and 826.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,774.55 : 4,162.49 = 826.74 : x
2. Step 2: Convert to fraction form
   2,774.55/4,162.49 = 826.74/x
3. Step 3: Cross multiply
   2,774.55x = 4,162.49 × 826.74
4. Step 4: Simplify right side
   2,774.55x = 3,441,292.85
5. Step 5: Solve for x
   x = 3,441,292.85/2,774.55
6. Step 6: Final answer
   x = 1,240.31