Finding the Fourth Proportional to 1,369.92, 1,890.18 and 949.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,369.92 : 1,890.18 = 949.62 : x
2. Step 2: Convert to fraction form
   1,369.92/1,890.18 = 949.62/x
3. Step 3: Cross multiply
   1,369.92x = 1,890.18 × 949.62
4. Step 4: Simplify right side
   1,369.92x = 1,794,952.73
5. Step 5: Solve for x
   x = 1,794,952.73/1,369.92
6. Step 6: Final answer
   x = 1,310.26