Finding the Fourth Proportional to 1,174.38, 1,759.98 and 443.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,174.38 : 1,759.98 = 443.22 : x
2. Step 2: Convert to fraction form
   1,174.38/1,759.98 = 443.22/x
3. Step 3: Cross multiply
   1,174.38x = 1,759.98 × 443.22
4. Step 4: Simplify right side
   1,174.38x = 780,058.34
5. Step 5: Solve for x
   x = 780,058.34/1,174.38
6. Step 6: Final answer
   x = 664.23