Finding the Fourth Proportional to 7,086.38, 10,630.17 and 3,391.56

Step by Step Solution

1. Step 1: Write the proportion equation
   7,086.38 : 10,630.17 = 3,391.56 : x
2. Step 2: Convert to fraction form
   7,086.38/10,630.17 = 3,391.56/x
3. Step 3: Cross multiply
   7,086.38x = 10,630.17 × 3,391.56
4. Step 4: Simplify right side
   7,086.38x = 36,052,859.37
5. Step 5: Solve for x
   x = 36,052,859.37/7,086.38
6. Step 6: Final answer
   x = 5,087.63