Finding the Fourth Proportional to 2,045.72, 3,067.20 and 949.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,045.72 : 3,067.20 = 949.48 : x
2. Step 2: Convert to fraction form
   2,045.72/3,067.20 = 949.48/x
3. Step 3: Cross multiply
   2,045.72x = 3,067.20 × 949.48
4. Step 4: Simplify right side
   2,045.72x = 2,912,245.06
5. Step 5: Solve for x
   x = 2,912,245.06/2,045.72
6. Step 6: Final answer
   x = 1,423.58