Finding the Fourth Proportional to 11,336.43, 17,012.39 and 3,940.82

Step by Step Solution

1. Step 1: Write the proportion equation
   11,336.43 : 17,012.39 = 3,940.82 : x
2. Step 2: Convert to fraction form
   11,336.43/17,012.39 = 3,940.82/x
3. Step 3: Cross multiply
   11,336.43x = 17,012.39 × 3,940.82
4. Step 4: Simplify right side
   11,336.43x = 67,042,661.99
5. Step 5: Solve for x
   x = 67,042,661.99/11,336.43
6. Step 6: Final answer
   x = 5,913.91