Finding the Fourth Proportional to 12,143.39, 16,757.61 and 6,765.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,143.39 : 16,757.61 = 6,765.82 : x
2. Step 2: Convert to fraction form
   12,143.39/16,757.61 = 6,765.82/x
3. Step 3: Cross multiply
   12,143.39x = 16,757.61 × 6,765.82
4. Step 4: Simplify right side
   12,143.39x = 113,378,972.89
5. Step 5: Solve for x
   x = 113,378,972.89/12,143.39
6. Step 6: Final answer
   x = 9,336.68