Finding the Fourth Proportional to 1,613.92, 2,227.31 and 950.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,613.92 : 2,227.31 = 950.62 : x
2. Step 2: Convert to fraction form
   1,613.92/2,227.31 = 950.62/x
3. Step 3: Cross multiply
   1,613.92x = 2,227.31 × 950.62
4. Step 4: Simplify right side
   1,613.92x = 2,117,325.43
5. Step 5: Solve for x
   x = 2,117,325.43/1,613.92
6. Step 6: Final answer
   x = 1,311.91