Finding the Fourth Proportional to 196.37, 270.98 and 113.47

Step by Step Solution

1. Step 1: Write the proportion equation
   196.37 : 270.98 = 113.47 : x
2. Step 2: Convert to fraction form
   196.37/270.98 = 113.47/x
3. Step 3: Cross multiply
   196.37x = 270.98 × 113.47
4. Step 4: Simplify right side
   196.37x = 30,748.00
5. Step 5: Solve for x
   x = 30,748.00/196.37
6. Step 6: Final answer
   x = 156.58