Finding the Fourth Proportional to 3,964.89, 5,471.04 and 2,196.24

Step by Step Solution

1. Step 1: Write the proportion equation
   3,964.89 : 5,471.04 = 2,196.24 : x
2. Step 2: Convert to fraction form
   3,964.89/5,471.04 = 2,196.24/x
3. Step 3: Cross multiply
   3,964.89x = 5,471.04 × 2,196.24
4. Step 4: Simplify right side
   3,964.89x = 12,015,716.89
5. Step 5: Solve for x
   x = 12,015,716.89/3,964.89
6. Step 6: Final answer
   x = 3,030.53