Finding the Fourth Proportional to 1,044.57, 1,441.56 and 578.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,044.57 : 1,441.56 = 578.83 : x
2. Step 2: Convert to fraction form
   1,044.57/1,441.56 = 578.83/x
3. Step 3: Cross multiply
   1,044.57x = 1,441.56 × 578.83
4. Step 4: Simplify right side
   1,044.57x = 834,415.28
5. Step 5: Solve for x
   x = 834,415.28/1,044.57
6. Step 6: Final answer
   x = 798.81