Finding the Fourth Proportional to 3,964.53, 5,471.04 and 2,196.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,964.53 : 5,471.04 = 2,196.10 : x
2. Step 2: Convert to fraction form
   3,964.53/5,471.04 = 2,196.10/x
3. Step 3: Cross multiply
   3,964.53x = 5,471.04 × 2,196.10
4. Step 4: Simplify right side
   3,964.53x = 12,014,950.94
5. Step 5: Solve for x
   x = 12,014,950.94/3,964.53
6. Step 6: Final answer
   x = 3,030.61