Finding the Fourth Proportional to 1,048.48, 1,446.96 and 582.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,048.48 : 1,446.96 = 582.72 : x
2. Step 2: Convert to fraction form
   1,048.48/1,446.96 = 582.72/x
3. Step 3: Cross multiply
   1,048.48x = 1,446.96 × 582.72
4. Step 4: Simplify right side
   1,048.48x = 843,172.53
5. Step 5: Solve for x
   x = 843,172.53/1,048.48
6. Step 6: Final answer
   x = 804.19