Finding the Fourth Proportional to 1,052.59, 1,452.60 and 580.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,052.59 : 1,452.60 = 580.50 : x
2. Step 2: Convert to fraction form
   1,052.59/1,452.60 = 580.50/x
3. Step 3: Cross multiply
   1,052.59x = 1,452.60 × 580.50
4. Step 4: Simplify right side
   1,052.59x = 843,227.04
5. Step 5: Solve for x
   x = 843,227.04/1,052.59
6. Step 6: Final answer
   x = 801.10