Finding the Fourth Proportional to 196.79, 296.61 and 185.63

Step by Step Solution

1. Step 1: Write the proportion equation
   196.79 : 296.61 = 185.63 : x
2. Step 2: Convert to fraction form
   196.79/296.61 = 185.63/x
3. Step 3: Cross multiply
   196.79x = 296.61 × 185.63
4. Step 4: Simplify right side
   196.79x = 55,059.83
5. Step 5: Solve for x
   x = 55,059.83/196.79
6. Step 6: Final answer
   x = 279.79