Finding the Fourth Proportional to 3,609.82, 5,416.41 and 1,964.41

Step by Step Solution

1. Step 1: Write the proportion equation
   3,609.82 : 5,416.41 = 1,964.41 : x
2. Step 2: Convert to fraction form
   3,609.82/5,416.41 = 1,964.41/x
3. Step 3: Cross multiply
   3,609.82x = 5,416.41 × 1,964.41
4. Step 4: Simplify right side
   3,609.82x = 10,640,049.97
5. Step 5: Solve for x
   x = 10,640,049.97/3,609.82
6. Step 6: Final answer
   x = 2,947.53