Finding the Fourth Proportional to 11,336.43, 17,007.39 and 3,939.83

Step by Step Solution

1. Step 1: Write the proportion equation
   11,336.43 : 17,007.39 = 3,939.83 : x
2. Step 2: Convert to fraction form
   11,336.43/17,007.39 = 3,939.83/x
3. Step 3: Cross multiply
   11,336.43x = 17,007.39 × 3,939.83
4. Step 4: Simplify right side
   11,336.43x = 67,006,140.31
5. Step 5: Solve for x
   x = 67,006,140.31/11,336.43
6. Step 6: Final answer
   x = 5,910.69