Finding the Fourth Proportional to 8,571.23, 12,856.82 and 2,727.82

Step by Step Solution

1. Step 1: Write the proportion equation
   8,571.23 : 12,856.82 = 2,727.82 : x
2. Step 2: Convert to fraction form
   8,571.23/12,856.82 = 2,727.82/x
3. Step 3: Cross multiply
   8,571.23x = 12,856.82 × 2,727.82
4. Step 4: Simplify right side
   8,571.23x = 35,071,044.95
5. Step 5: Solve for x
   x = 35,071,044.95/8,571.23
6. Step 6: Final answer
   x = 4,091.72