Finding the Fourth Proportional to 1,028.04, 1,418.72 and 585.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,028.04 : 1,418.72 = 585.99 : x
2. Step 2: Convert to fraction form
   1,028.04/1,418.72 = 585.99/x
3. Step 3: Cross multiply
   1,028.04x = 1,418.72 × 585.99
4. Step 4: Simplify right side
   1,028.04x = 831,355.73
5. Step 5: Solve for x
   x = 831,355.73/1,028.04
6. Step 6: Final answer
   x = 808.68