Finding the Fourth Proportional to 1,052.74, 1,452.83 and 580.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,052.74 : 1,452.83 = 580.69 : x
2. Step 2: Convert to fraction form
   1,052.74/1,452.83 = 580.69/x
3. Step 3: Cross multiply
   1,052.74x = 1,452.83 × 580.69
4. Step 4: Simplify right side
   1,052.74x = 843,644.76
5. Step 5: Solve for x
   x = 843,644.76/1,052.74
6. Step 6: Final answer
   x = 801.38