Finding the Fourth Proportional to 6,891.30, 10,336.89 and 1,960.29

Step by Step Solution

1. Step 1: Write the proportion equation
   6,891.30 : 10,336.89 = 1,960.29 : x
2. Step 2: Convert to fraction form
   6,891.30/10,336.89 = 1,960.29/x
3. Step 3: Cross multiply
   6,891.30x = 10,336.89 × 1,960.29
4. Step 4: Simplify right side
   6,891.30x = 20,263,302.10
5. Step 5: Solve for x
   x = 20,263,302.10/6,891.30
6. Step 6: Final answer
   x = 2,940.42