Finding the Fourth Proportional to 6,688.29, 9,229.72 and 3,704.12

Step by Step Solution

1. Step 1: Write the proportion equation
   6,688.29 : 9,229.72 = 3,704.12 : x
2. Step 2: Convert to fraction form
   6,688.29/9,229.72 = 3,704.12/x
3. Step 3: Cross multiply
   6,688.29x = 9,229.72 × 3,704.12
4. Step 4: Simplify right side
   6,688.29x = 34,187,935.04
5. Step 5: Solve for x
   x = 34,187,935.04/6,688.29
6. Step 6: Final answer
   x = 5,111.61