Finding the Fourth Proportional to 109.32, 150.83 and 79.82

Step by Step Solution

1. Step 1: Write the proportion equation
   109.32 : 150.83 = 79.82 : x
2. Step 2: Convert to fraction form
   109.32/150.83 = 79.82/x
3. Step 3: Cross multiply
   109.32x = 150.83 × 79.82
4. Step 4: Simplify right side
   109.32x = 12,038.96
5. Step 5: Solve for x
   x = 12,038.96/109.32
6. Step 6: Final answer
   x = 110.13