Finding the Fourth Proportional to 111.10, 153.32 and 69.63

Step by Step Solution

1. Step 1: Write the proportion equation
   111.10 : 153.32 = 69.63 : x
2. Step 2: Convert to fraction form
   111.10/153.32 = 69.63/x
3. Step 3: Cross multiply
   111.10x = 153.32 × 69.63
4. Step 4: Simplify right side
   111.10x = 10,676.24
5. Step 5: Solve for x
   x = 10,676.24/111.10
6. Step 6: Final answer
   x = 96.10