Finding the Fourth Proportional to 731.72, 1,097.94 and 298.82

Step by Step Solution

1. Step 1: Write the proportion equation
   731.72 : 1,097.94 = 298.82 : x
2. Step 2: Convert to fraction form
   731.72/1,097.94 = 298.82/x
3. Step 3: Cross multiply
   731.72x = 1,097.94 × 298.82
4. Step 4: Simplify right side
   731.72x = 328,086.43
5. Step 5: Solve for x
   x = 328,086.43/731.72
6. Step 6: Final answer
   x = 448.38