Finding the Fourth Proportional to 6,788.43, 9,363.46 and 3,993.93

Step by Step Solution

1. Step 1: Write the proportion equation
   6,788.43 : 9,363.46 = 3,993.93 : x
2. Step 2: Convert to fraction form
   6,788.43/9,363.46 = 3,993.93/x
3. Step 3: Cross multiply
   6,788.43x = 9,363.46 × 3,993.93
4. Step 4: Simplify right side
   6,788.43x = 37,397,003.80
5. Step 5: Solve for x
   x = 37,397,003.80/6,788.43
6. Step 6: Final answer
   x = 5,508.93