Finding the Fourth Proportional to 1,062.72, 1,594.08 and 514.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,062.72 : 1,594.08 = 514.72 : x
2. Step 2: Convert to fraction form
   1,062.72/1,594.08 = 514.72/x
3. Step 3: Cross multiply
   1,062.72x = 1,594.08 × 514.72
4. Step 4: Simplify right side
   1,062.72x = 820,504.86
5. Step 5: Solve for x
   x = 820,504.86/1,062.72
6. Step 6: Final answer
   x = 772.08