Finding the Fourth Proportional to 3,964.71, 5,471.25 and 2,196.27

Step by Step Solution

1. Step 1: Write the proportion equation
   3,964.71 : 5,471.25 = 2,196.27 : x
2. Step 2: Convert to fraction form
   3,964.71/5,471.25 = 2,196.27/x
3. Step 3: Cross multiply
   3,964.71x = 5,471.25 × 2,196.27
4. Step 4: Simplify right side
   3,964.71x = 12,016,342.24
5. Step 5: Solve for x
   x = 12,016,342.24/3,964.71
6. Step 6: Final answer
   x = 3,030.83