Finding the Fourth Proportional to 335.89, 463.50 and 196.10

Step by Step Solution

1. Step 1: Write the proportion equation
   335.89 : 463.50 = 196.10 : x
2. Step 2: Convert to fraction form
   335.89/463.50 = 196.10/x
3. Step 3: Cross multiply
   335.89x = 463.50 × 196.10
4. Step 4: Simplify right side
   335.89x = 90,889.05
5. Step 5: Solve for x
   x = 90,889.05/335.89
6. Step 6: Final answer
   x = 270.59