Finding the Fourth Proportional to 6,929.82, 10,382.42 and 3,968.15

Step by Step Solution

1. Step 1: Write the proportion equation
   6,929.82 : 10,382.42 = 3,968.15 : x
2. Step 2: Convert to fraction form
   6,929.82/10,382.42 = 3,968.15/x
3. Step 3: Cross multiply
   6,929.82x = 10,382.42 × 3,968.15
4. Step 4: Simplify right side
   6,929.82x = 41,198,928.17
5. Step 5: Solve for x
   x = 41,198,928.17/6,929.82
6. Step 6: Final answer
   x = 5,945.17