Finding the Fourth Proportional to 1,171.83, 1,758.02 and 441.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,171.83 : 1,758.02 = 441.42 : x
2. Step 2: Convert to fraction form
   1,171.83/1,758.02 = 441.42/x
3. Step 3: Cross multiply
   1,171.83x = 1,758.02 × 441.42
4. Step 4: Simplify right side
   1,171.83x = 776,022.98
5. Step 5: Solve for x
   x = 776,022.98/1,171.83
6. Step 6: Final answer
   x = 662.23