Finding the Fourth Proportional to 773.18, 1,066.72 and 441.37

Step by Step Solution

1. Step 1: Write the proportion equation
   773.18 : 1,066.72 = 441.37 : x
2. Step 2: Convert to fraction form
   773.18/1,066.72 = 441.37/x
3. Step 3: Cross multiply
   773.18x = 1,066.72 × 441.37
4. Step 4: Simplify right side
   773.18x = 470,818.21
5. Step 5: Solve for x
   x = 470,818.21/773.18
6. Step 6: Final answer
   x = 608.94