Finding the Fourth Proportional to 773.82, 1,067.72 and 437.74

Step by Step Solution

1. Step 1: Write the proportion equation
   773.82 : 1,067.72 = 437.74 : x
2. Step 2: Convert to fraction form
   773.82/1,067.72 = 437.74/x
3. Step 3: Cross multiply
   773.82x = 1,067.72 × 437.74
4. Step 4: Simplify right side
   773.82x = 467,378.89
5. Step 5: Solve for x
   x = 467,378.89/773.82
6. Step 6: Final answer
   x = 603.99