Finding the Fourth Proportional to 1,196.88, 1,795.34 and 331.21

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196.88 : 1,795.34 = 331.21 : x
2. Step 2: Convert to fraction form
   1,196.88/1,795.34 = 331.21/x
3. Step 3: Cross multiply
   1,196.88x = 1,795.34 × 331.21
4. Step 4: Simplify right side
   1,196.88x = 594,634.56
5. Step 5: Solve for x
   x = 594,634.56/1,196.88
6. Step 6: Final answer
   x = 496.82