Finding the Fourth Proportional to 111.50, 153.89 and 97.37

Step by Step Solution

1. Step 1: Write the proportion equation
   111.50 : 153.89 = 97.37 : x
2. Step 2: Convert to fraction form
   111.50/153.89 = 97.37/x
3. Step 3: Cross multiply
   111.50x = 153.89 × 97.37
4. Step 4: Simplify right side
   111.50x = 14,983.01
5. Step 5: Solve for x
   x = 14,983.01/111.50
6. Step 6: Final answer
   x = 134.38