Finding the Fourth Proportional to 5,222.38, 7,162.76 and 4,939.96

Step by Step Solution

1. Step 1: Write the proportion equation
   5,222.38 : 7,162.76 = 4,939.96 : x
2. Step 2: Convert to fraction form
   5,222.38/7,162.76 = 4,939.96/x
3. Step 3: Cross multiply
   5,222.38x = 7,162.76 × 4,939.96
4. Step 4: Simplify right side
   5,222.38x = 35,383,747.89
5. Step 5: Solve for x
   x = 35,383,747.89/5,222.38
6. Step 6: Final answer
   x = 6,775.41