Finding the Fourth Proportional to 1,039.04, 1,433.94 and 573.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,039.04 : 1,433.94 = 573.30 : x
2. Step 2: Convert to fraction form
   1,039.04/1,433.94 = 573.30/x
3. Step 3: Cross multiply
   1,039.04x = 1,433.94 × 573.30
4. Step 4: Simplify right side
   1,039.04x = 822,077.80
5. Step 5: Solve for x
   x = 822,077.80/1,039.04
6. Step 6: Final answer
   x = 791.19