Finding the Fourth Proportional to 5,778.72, 7,974.72 and 3,294.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,778.72 : 7,974.72 = 3,294.72 : x
2. Step 2: Convert to fraction form
   5,778.72/7,974.72 = 3,294.72/x
3. Step 3: Cross multiply
   5,778.72x = 7,974.72 × 3,294.72
4. Step 4: Simplify right side
   5,778.72x = 26,274,469.48
5. Step 5: Solve for x
   x = 26,274,469.48/5,778.72
6. Step 6: Final answer
   x = 4,546.76