Finding the Fourth Proportional to 12,243.37, 18,371.97 and 5,222.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,243.37 : 18,371.97 = 5,222.72 : x
2. Step 2: Convert to fraction form
   12,243.37/18,371.97 = 5,222.72/x
3. Step 3: Cross multiply
   12,243.37x = 18,371.97 × 5,222.72
4. Step 4: Simplify right side
   12,243.37x = 95,951,559.06
5. Step 5: Solve for x
   x = 95,951,559.06/12,243.37
6. Step 6: Final answer
   x = 7,837.03