Finding the Fourth Proportional to 1,109.22, 1,662.81 and 582.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,109.22 : 1,662.81 = 582.04 : x
2. Step 2: Convert to fraction form
   1,109.22/1,662.81 = 582.04/x
3. Step 3: Cross multiply
   1,109.22x = 1,662.81 × 582.04
4. Step 4: Simplify right side
   1,109.22x = 967,821.93
5. Step 5: Solve for x
   x = 967,821.93/1,109.22
6. Step 6: Final answer
   x = 872.52