Finding the Fourth Proportional to 1,510.79, 2,084.10 and 950.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,510.79 : 2,084.10 = 950.20 : x
2. Step 2: Convert to fraction form
   1,510.79/2,084.10 = 950.20/x
3. Step 3: Cross multiply
   1,510.79x = 2,084.10 × 950.20
4. Step 4: Simplify right side
   1,510.79x = 1,980,303.05
5. Step 5: Solve for x
   x = 1,980,303.05/1,510.79
6. Step 6: Final answer
   x = 1,310.78