Finding the Fourth Proportional to 112.33, 154.72 and 79.52

Step by Step Solution

1. Step 1: Write the proportion equation
   112.33 : 154.72 = 79.52 : x
2. Step 2: Convert to fraction form
   112.33/154.72 = 79.52/x
3. Step 3: Cross multiply
   112.33x = 154.72 × 79.52
4. Step 4: Simplify right side
   112.33x = 12,303.33
5. Step 5: Solve for x
   x = 12,303.33/112.33
6. Step 6: Final answer
   x = 109.53