Finding the Fourth Proportional to 3,964.70, 5,471.33 and 2,196.33

Step by Step Solution

1. Step 1: Write the proportion equation
   3,964.70 : 5,471.33 = 2,196.33 : x
2. Step 2: Convert to fraction form
   3,964.70/5,471.33 = 2,196.33/x
3. Step 3: Cross multiply
   3,964.70x = 5,471.33 × 2,196.33
4. Step 4: Simplify right side
   3,964.70x = 12,016,835.24
5. Step 5: Solve for x
   x = 12,016,835.24/3,964.70
6. Step 6: Final answer
   x = 3,030.96