Finding the Fourth Proportional to 8,562.29, 12,843.30 and 2,718.82

Step by Step Solution

1. Step 1: Write the proportion equation
   8,562.29 : 12,843.30 = 2,718.82 : x
2. Step 2: Convert to fraction form
   8,562.29/12,843.30 = 2,718.82/x
3. Step 3: Cross multiply
   8,562.29x = 12,843.30 × 2,718.82
4. Step 4: Simplify right side
   8,562.29x = 34,918,556.69
5. Step 5: Solve for x
   x = 34,918,556.69/8,562.29
6. Step 6: Final answer
   x = 4,078.18