Finding the Fourth Proportional to 1,151.98, 1,726.89 and 574.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,151.98 : 1,726.89 = 574.22 : x
2. Step 2: Convert to fraction form
   1,151.98/1,726.89 = 574.22/x
3. Step 3: Cross multiply
   1,151.98x = 1,726.89 × 574.22
4. Step 4: Simplify right side
   1,151.98x = 991,614.78
5. Step 5: Solve for x
   x = 991,614.78/1,151.98
6. Step 6: Final answer
   x = 860.79