Finding the Fourth Proportional to 1,174.19, 1,760.25 and 443.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,174.19 : 1,760.25 = 443.25 : x
2. Step 2: Convert to fraction form
   1,174.19/1,760.25 = 443.25/x
3. Step 3: Cross multiply
   1,174.19x = 1,760.25 × 443.25
4. Step 4: Simplify right side
   1,174.19x = 780,233.69
5. Step 5: Solve for x
   x = 780,233.69/1,174.19
6. Step 6: Final answer
   x = 664.49