Finding the Fourth Proportional to 3,581.89, 5,372.22 and 949.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,581.89 : 5,372.22 = 949.42 : x
2. Step 2: Convert to fraction form
   3,581.89/5,372.22 = 949.42/x
3. Step 3: Cross multiply
   3,581.89x = 5,372.22 × 949.42
4. Step 4: Simplify right side
   3,581.89x = 5,100,493.11
5. Step 5: Solve for x
   x = 5,100,493.11/3,581.89
6. Step 6: Final answer
   x = 1,423.97