Finding the Fourth Proportional to 6,688.79, 9,230.42 and 3,704.56

Step by Step Solution

1. Step 1: Write the proportion equation
   6,688.79 : 9,230.42 = 3,704.56 : x
2. Step 2: Convert to fraction form
   6,688.79/9,230.42 = 3,704.56/x
3. Step 3: Cross multiply
   6,688.79x = 9,230.42 × 3,704.56
4. Step 4: Simplify right side
   6,688.79x = 34,194,644.72
5. Step 5: Solve for x
   x = 34,194,644.72/6,688.79
6. Step 6: Final answer
   x = 5,112.23