Finding the Fourth Proportional to 1,173.83, 1,761.02 and 443.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,173.83 : 1,761.02 = 443.42 : x
2. Step 2: Convert to fraction form
   1,173.83/1,761.02 = 443.42/x
3. Step 3: Cross multiply
   1,173.83x = 1,761.02 × 443.42
4. Step 4: Simplify right side
   1,173.83x = 780,871.49
5. Step 5: Solve for x
   x = 780,871.49/1,173.83
6. Step 6: Final answer
   x = 665.23