Finding the Fourth Proportional to 7,093.72, 9,789.16 and 3,949.84

Step by Step Solution

1. Step 1: Write the proportion equation
   7,093.72 : 9,789.16 = 3,949.84 : x
2. Step 2: Convert to fraction form
   7,093.72/9,789.16 = 3,949.84/x
3. Step 3: Cross multiply
   7,093.72x = 9,789.16 × 3,949.84
4. Step 4: Simplify right side
   7,093.72x = 38,665,615.73
5. Step 5: Solve for x
   x = 38,665,615.73/7,093.72
6. Step 6: Final answer
   x = 5,450.68