Finding the Fourth Proportional to 8,727.76, 12,048.24 and 5,745.16

Step by Step Solution

1. Step 1: Write the proportion equation
   8,727.76 : 12,048.24 = 5,745.16 : x
2. Step 2: Convert to fraction form
   8,727.76/12,048.24 = 5,745.16/x
3. Step 3: Cross multiply
   8,727.76x = 12,048.24 × 5,745.16
4. Step 4: Simplify right side
   8,727.76x = 69,219,066.52
5. Step 5: Solve for x
   x = 69,219,066.52/8,727.76
6. Step 6: Final answer
   x = 7,930.91