Finding the Fourth Proportional to 196.32, 294.52 and 100.12

Step by Step Solution

1. Step 1: Write the proportion equation
   196.32 : 294.52 = 100.12 : x
2. Step 2: Convert to fraction form
   196.32/294.52 = 100.12/x
3. Step 3: Cross multiply
   196.32x = 294.52 × 100.12
4. Step 4: Simplify right side
   196.32x = 29,487.34
5. Step 5: Solve for x
   x = 29,487.34/196.32
6. Step 6: Final answer
   x = 150.20