Finding the Fourth Proportional to 196.43, 270.76 and 185.50

Step by Step Solution

1. Step 1: Write the proportion equation
   196.43 : 270.76 = 185.50 : x
2. Step 2: Convert to fraction form
   196.43/270.76 = 185.50/x
3. Step 3: Cross multiply
   196.43x = 270.76 × 185.50
4. Step 4: Simplify right side
   196.43x = 50,225.98
5. Step 5: Solve for x
   x = 50,225.98/196.43
6. Step 6: Final answer
   x = 255.69