Finding the Fourth Proportional to 1,151.89, 1,727.33 and 329.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,151.89 : 1,727.33 = 329.98 : x
2. Step 2: Convert to fraction form
   1,151.89/1,727.33 = 329.98/x
3. Step 3: Cross multiply
   1,151.89x = 1,727.33 × 329.98
4. Step 4: Simplify right side
   1,151.89x = 569,984.35
5. Step 5: Solve for x
   x = 569,984.35/1,151.89
6. Step 6: Final answer
   x = 494.83