Finding the Fourth Proportional to 196.34, 294.71 and 188.91

Step by Step Solution

1. Step 1: Write the proportion equation
   196.34 : 294.71 = 188.91 : x
2. Step 2: Convert to fraction form
   196.34/294.71 = 188.91/x
3. Step 3: Cross multiply
   196.34x = 294.71 × 188.91
4. Step 4: Simplify right side
   196.34x = 55,672.72
5. Step 5: Solve for x
   x = 55,672.72/196.34
6. Step 6: Final answer
   x = 283.56