Finding the Fourth Proportional to 3,964.69, 5,471.27 and 2,196.41

Step by Step Solution

1. Step 1: Write the proportion equation
   3,964.69 : 5,471.27 = 2,196.41 : x
2. Step 2: Convert to fraction form
   3,964.69/5,471.27 = 2,196.41/x
3. Step 3: Cross multiply
   3,964.69x = 5,471.27 × 2,196.41
4. Step 4: Simplify right side
   3,964.69x = 12,017,130.28
5. Step 5: Solve for x
   x = 12,017,130.28/3,964.69
6. Step 6: Final answer
   x = 3,031.04