Finding the Fourth Proportional to 1,150.72, 1,725.79 and 329.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150.72 : 1,725.79 = 329.00 : x
2. Step 2: Convert to fraction form
   1,150.72/1,725.79 = 329.00/x
3. Step 3: Cross multiply
   1,150.72x = 1,725.79 × 329.00
4. Step 4: Simplify right side
   1,150.72x = 567,780.60
5. Step 5: Solve for x
   x = 567,780.60/1,150.72
6. Step 6: Final answer
   x = 493.41