Finding the Fourth Proportional to 3,167.91, 4,751.82 and 827.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,167.91 : 4,751.82 = 827.89 : x
2. Step 2: Convert to fraction form
   3,167.91/4,751.82 = 827.89/x
3. Step 3: Cross multiply
   3,167.91x = 4,751.82 × 827.89
4. Step 4: Simplify right side
   3,167.91x = 3,933,984.26
5. Step 5: Solve for x
   x = 3,933,984.26/3,167.91
6. Step 6: Final answer
   x = 1,241.82