Finding the Fourth Proportional to 1,304.79, 1,958.13 and 514.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,304.79 : 1,958.13 = 514.27 : x
2. Step 2: Convert to fraction form
   1,304.79/1,958.13 = 514.27/x
3. Step 3: Cross multiply
   1,304.79x = 1,958.13 × 514.27
4. Step 4: Simplify right side
   1,304.79x = 1,007,007.52
5. Step 5: Solve for x
   x = 1,007,007.52/1,304.79
6. Step 6: Final answer
   x = 771.78