Finding the Fourth Proportional to 1,173.69, 1,760.84 and 443.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,173.69 : 1,760.84 = 443.27 : x
2. Step 2: Convert to fraction form
   1,173.69/1,760.84 = 443.27/x
3. Step 3: Cross multiply
   1,173.69x = 1,760.84 × 443.27
4. Step 4: Simplify right side
   1,173.69x = 780,531.39
5. Step 5: Solve for x
   x = 780,531.39/1,173.69
6. Step 6: Final answer
   x = 665.02