Finding the Fourth Proportional to 7,965.27, 10,992.24 and 5,238.81

Step by Step Solution

1. Step 1: Write the proportion equation
   7,965.27 : 10,992.24 = 5,238.81 : x
2. Step 2: Convert to fraction form
   7,965.27/10,992.24 = 5,238.81/x
3. Step 3: Cross multiply
   7,965.27x = 10,992.24 × 5,238.81
4. Step 4: Simplify right side
   7,965.27x = 57,586,256.83
5. Step 5: Solve for x
   x = 57,586,256.83/7,965.27
6. Step 6: Final answer
   x = 7,229.67