Finding the Fourth Proportional to 1,064.94, 1,595.25 and 516.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,064.94 : 1,595.25 = 516.72 : x
2. Step 2: Convert to fraction form
   1,064.94/1,595.25 = 516.72/x
3. Step 3: Cross multiply
   1,064.94x = 1,595.25 × 516.72
4. Step 4: Simplify right side
   1,064.94x = 824,297.58
5. Step 5: Solve for x
   x = 824,297.58/1,064.94
6. Step 6: Final answer
   x = 774.03