Finding the Fourth Proportional to 1,018.89, 1,406.18 and 599.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,018.89 : 1,406.18 = 599.24 : x
2. Step 2: Convert to fraction form
   1,018.89/1,406.18 = 599.24/x
3. Step 3: Cross multiply
   1,018.89x = 1,406.18 × 599.24
4. Step 4: Simplify right side
   1,018.89x = 842,629.28
5. Step 5: Solve for x
   x = 842,629.28/1,018.89
6. Step 6: Final answer
   x = 827.01