Finding the Fourth Proportional to 109.32, 150.88 and 69.96

Step by Step Solution

1. Step 1: Write the proportion equation
   109.32 : 150.88 = 69.96 : x
2. Step 2: Convert to fraction form
   109.32/150.88 = 69.96/x
3. Step 3: Cross multiply
   109.32x = 150.88 × 69.96
4. Step 4: Simplify right side
   109.32x = 10,555.56
5. Step 5: Solve for x
   x = 10,555.56/109.32
6. Step 6: Final answer
   x = 96.56