Finding the Fourth Proportional to 1,039.29, 1,434.22 and 573.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,039.29 : 1,434.22 = 573.54 : x
2. Step 2: Convert to fraction form
   1,039.29/1,434.22 = 573.54/x
3. Step 3: Cross multiply
   1,039.29x = 1,434.22 × 573.54
4. Step 4: Simplify right side
   1,039.29x = 822,580.57
5. Step 5: Solve for x
   x = 822,580.57/1,039.29
6. Step 6: Final answer
   x = 791.48