Finding the Fourth Proportional to 1,045.69, 1,443.04 and 573.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,045.69 : 1,443.04 = 573.59 : x
2. Step 2: Convert to fraction form
   1,045.69/1,443.04 = 573.59/x
3. Step 3: Cross multiply
   1,045.69x = 1,443.04 × 573.59
4. Step 4: Simplify right side
   1,045.69x = 827,710.60
5. Step 5: Solve for x
   x = 827,710.60/1,045.69
6. Step 6: Final answer
   x = 791.54