Finding the Fourth Proportional to 773.69, 1,067.69 and 424.38

Step by Step Solution

1. Step 1: Write the proportion equation
   773.69 : 1,067.69 = 424.38 : x
2. Step 2: Convert to fraction form
   773.69/1,067.69 = 424.38/x
3. Step 3: Cross multiply
   773.69x = 1,067.69 × 424.38
4. Step 4: Simplify right side
   773.69x = 453,100.94
5. Step 5: Solve for x
   x = 453,100.94/773.69
6. Step 6: Final answer
   x = 585.64