Finding the Fourth Proportional to 111.12, 153.32 and 69.10

Step by Step Solution

1. Step 1: Write the proportion equation
   111.12 : 153.32 = 69.10 : x
2. Step 2: Convert to fraction form
   111.12/153.32 = 69.10/x
3. Step 3: Cross multiply
   111.12x = 153.32 × 69.10
4. Step 4: Simplify right side
   111.12x = 10,594.41
5. Step 5: Solve for x
   x = 10,594.41/111.12
6. Step 6: Final answer
   x = 95.34