Finding the Fourth Proportional to 1,018.85, 1,405.83 and 599.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,018.85 : 1,405.83 = 599.27 : x
2. Step 2: Convert to fraction form
   1,018.85/1,405.83 = 599.27/x
3. Step 3: Cross multiply
   1,018.85x = 1,405.83 × 599.27
4. Step 4: Simplify right side
   1,018.85x = 842,471.74
5. Step 5: Solve for x
   x = 842,471.74/1,018.85
6. Step 6: Final answer
   x = 826.88