Finding the Fourth Proportional to 1,137.02, 1,704.73 and 443.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,137.02 : 1,704.73 = 443.10 : x
2. Step 2: Convert to fraction form
   1,137.02/1,704.73 = 443.10/x
3. Step 3: Cross multiply
   1,137.02x = 1,704.73 × 443.10
4. Step 4: Simplify right side
   1,137.02x = 755,365.86
5. Step 5: Solve for x
   x = 755,365.86/1,137.02
6. Step 6: Final answer
   x = 664.34