Finding the Fourth Proportional to 10,249.68, 14,145.24 and 7,727.34

Step by Step Solution

1. Step 1: Write the proportion equation
   10,249.68 : 14,145.24 = 7,727.34 : x
2. Step 2: Convert to fraction form
   10,249.68/14,145.24 = 7,727.34/x
3. Step 3: Cross multiply
   10,249.68x = 14,145.24 × 7,727.34
4. Step 4: Simplify right side
   10,249.68x = 109,305,078.86
5. Step 5: Solve for x
   x = 109,305,078.86/10,249.68
6. Step 6: Final answer
   x = 10,664.24