Finding the Fourth Proportional to 6,517.17, 8,993.61 and 3,723.21

Step by Step Solution

1. Step 1: Write the proportion equation
   6,517.17 : 8,993.61 = 3,723.21 : x
2. Step 2: Convert to fraction form
   6,517.17/8,993.61 = 3,723.21/x
3. Step 3: Cross multiply
   6,517.17x = 8,993.61 × 3,723.21
4. Step 4: Simplify right side
   6,517.17x = 33,485,098.69
5. Step 5: Solve for x
   x = 33,485,098.69/6,517.17
6. Step 6: Final answer
   x = 5,137.98