Finding the Fourth Proportional to 111.32, 153.24 and 97.94

Step by Step Solution

1. Step 1: Write the proportion equation
   111.32 : 153.24 = 97.94 : x
2. Step 2: Convert to fraction form
   111.32/153.24 = 97.94/x
3. Step 3: Cross multiply
   111.32x = 153.24 × 97.94
4. Step 4: Simplify right side
   111.32x = 15,008.33
5. Step 5: Solve for x
   x = 15,008.33/111.32
6. Step 6: Final answer
   x = 134.82