Finding the Fourth Proportional to 1,137.52, 1,705.42 and 444.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,137.52 : 1,705.42 = 444.10 : x
2. Step 2: Convert to fraction form
   1,137.52/1,705.42 = 444.10/x
3. Step 3: Cross multiply
   1,137.52x = 1,705.42 × 444.10
4. Step 4: Simplify right side
   1,137.52x = 757,377.02
5. Step 5: Solve for x
   x = 757,377.02/1,137.52
6. Step 6: Final answer
   x = 665.81