Finding the Fourth Proportional to 9,414.24, 12,992.76 and 5,222.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,414.24 : 12,992.76 = 5,222.76 : x
2. Step 2: Convert to fraction form
   9,414.24/12,992.76 = 5,222.76/x
3. Step 3: Cross multiply
   9,414.24x = 12,992.76 × 5,222.76
4. Step 4: Simplify right side
   9,414.24x = 67,858,067.22
5. Step 5: Solve for x
   x = 67,858,067.22/9,414.24
6. Step 6: Final answer
   x = 7,208.02