Finding the Fourth Proportional to 5,456.82, 8,185.76 and 2,169.18

Step by Step Solution

1. Step 1: Write the proportion equation
   5,456.82 : 8,185.76 = 2,169.18 : x
2. Step 2: Convert to fraction form
   5,456.82/8,185.76 = 2,169.18/x
3. Step 3: Cross multiply
   5,456.82x = 8,185.76 × 2,169.18
4. Step 4: Simplify right side
   5,456.82x = 17,756,335.10
5. Step 5: Solve for x
   x = 17,756,335.10/5,456.82
6. Step 6: Final answer
   x = 3,253.97