Finding the Fourth Proportional to 1,510.80, 2,084.22 and 950.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,510.80 : 2,084.22 = 950.88 : x
2. Step 2: Convert to fraction form
   1,510.80/2,084.22 = 950.88/x
3. Step 3: Cross multiply
   1,510.80x = 2,084.22 × 950.88
4. Step 4: Simplify right side
   1,510.80x = 1,981,843.11
5. Step 5: Solve for x
   x = 1,981,843.11/1,510.80
6. Step 6: Final answer
   x = 1,311.78