Finding the Fourth Proportional to 1,052.48, 1,452.46 and 580.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,052.48 : 1,452.46 = 580.41 : x
2. Step 2: Convert to fraction form
   1,052.48/1,452.46 = 580.41/x
3. Step 3: Cross multiply
   1,052.48x = 1,452.46 × 580.41
4. Step 4: Simplify right side
   1,052.48x = 843,020.86
5. Step 5: Solve for x
   x = 843,020.86/1,052.48
6. Step 6: Final answer
   x = 800.98