Finding the Fourth Proportional to 6,688.86, 9,230.50 and 3,704.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,688.86 : 9,230.50 = 3,704.72 : x
2. Step 2: Convert to fraction form
   6,688.86/9,230.50 = 3,704.72/x
3. Step 3: Cross multiply
   6,688.86x = 9,230.50 × 3,704.72
4. Step 4: Simplify right side
   6,688.86x = 34,196,407.52
5. Step 5: Solve for x
   x = 34,196,407.52/6,688.86
6. Step 6: Final answer
   x = 5,112.44