Finding the Fourth Proportional to 1,508.91, 2,082.81 and 950.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,508.91 : 2,082.81 = 950.31 : x
2. Step 2: Convert to fraction form
   1,508.91/2,082.81 = 950.31/x
3. Step 3: Cross multiply
   1,508.91x = 2,082.81 × 950.31
4. Step 4: Simplify right side
   1,508.91x = 1,979,315.63
5. Step 5: Solve for x
   x = 1,979,315.63/1,508.91
6. Step 6: Final answer
   x = 1,311.75