Finding the Fourth Proportional to 1,064.52, 1,595.98 and 516.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,064.52 : 1,595.98 = 516.20 : x
2. Step 2: Convert to fraction form
   1,064.52/1,595.98 = 516.20/x
3. Step 3: Cross multiply
   1,064.52x = 1,595.98 × 516.20
4. Step 4: Simplify right side
   1,064.52x = 823,844.88
5. Step 5: Solve for x
   x = 823,844.88/1,064.52
6. Step 6: Final answer
   x = 773.91