Finding the Fourth Proportional to 3,964.73, 5,471.35 and 2,196.43

Step by Step Solution

1. Step 1: Write the proportion equation
   3,964.73 : 5,471.35 = 2,196.43 : x
2. Step 2: Convert to fraction form
   3,964.73/5,471.35 = 2,196.43/x
3. Step 3: Cross multiply
   3,964.73x = 5,471.35 × 2,196.43
4. Step 4: Simplify right side
   3,964.73x = 12,017,418.11
5. Step 5: Solve for x
   x = 12,017,418.11/3,964.73
6. Step 6: Final answer
   x = 3,031.08