Finding the Fourth Proportional to 1,019.24, 1,406.58 and 599.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,019.24 : 1,406.58 = 599.62 : x
2. Step 2: Convert to fraction form
   1,019.24/1,406.58 = 599.62/x
3. Step 3: Cross multiply
   1,019.24x = 1,406.58 × 599.62
4. Step 4: Simplify right side
   1,019.24x = 843,413.50
5. Step 5: Solve for x
   x = 843,413.50/1,019.24
6. Step 6: Final answer
   x = 827.49