Finding the Fourth Proportional to 6,940.73, 9,578.18 and 3,796.91

Step by Step Solution

1. Step 1: Write the proportion equation
   6,940.73 : 9,578.18 = 3,796.91 : x
2. Step 2: Convert to fraction form
   6,940.73/9,578.18 = 3,796.91/x
3. Step 3: Cross multiply
   6,940.73x = 9,578.18 × 3,796.91
4. Step 4: Simplify right side
   6,940.73x = 36,367,420.55
5. Step 5: Solve for x
   x = 36,367,420.55/6,940.73
6. Step 6: Final answer
   x = 5,239.71