Finding the Fourth Proportional to 1,067.73, 1,600.56 and 519.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,067.73 : 1,600.56 = 519.62 : x
2. Step 2: Convert to fraction form
   1,067.73/1,600.56 = 519.62/x
3. Step 3: Cross multiply
   1,067.73x = 1,600.56 × 519.62
4. Step 4: Simplify right side
   1,067.73x = 831,674.98
5. Step 5: Solve for x
   x = 831,674.98/1,067.73
6. Step 6: Final answer
   x = 778.92