Finding the Fourth Proportional to 8,707.38, 12,018.24 and 5,727.27

Step by Step Solution

1. Step 1: Write the proportion equation
   8,707.38 : 12,018.24 = 5,727.27 : x
2. Step 2: Convert to fraction form
   8,707.38/12,018.24 = 5,727.27/x
3. Step 3: Cross multiply
   8,707.38x = 12,018.24 × 5,727.27
4. Step 4: Simplify right side
   8,707.38x = 68,831,705.40
5. Step 5: Solve for x
   x = 68,831,705.40/8,707.38
6. Step 6: Final answer
   x = 7,904.98