Finding the Fourth Proportional to 8,727.72, 12,044.22 and 5,144.76

Step by Step Solution

1. Step 1: Write the proportion equation
   8,727.72 : 12,044.22 = 5,144.76 : x
2. Step 2: Convert to fraction form
   8,727.72/12,044.22 = 5,144.76/x
3. Step 3: Cross multiply
   8,727.72x = 12,044.22 × 5,144.76
4. Step 4: Simplify right side
   8,727.72x = 61,964,621.29
5. Step 5: Solve for x
   x = 61,964,621.29/8,727.72
6. Step 6: Final answer
   x = 7,099.75