Finding the Fourth Proportional to 112.08, 154.59 and 67.82

Step by Step Solution

1. Step 1: Write the proportion equation
   112.08 : 154.59 = 67.82 : x
2. Step 2: Convert to fraction form
   112.08/154.59 = 67.82/x
3. Step 3: Cross multiply
   112.08x = 154.59 × 67.82
4. Step 4: Simplify right side
   112.08x = 10,484.29
5. Step 5: Solve for x
   x = 10,484.29/112.08
6. Step 6: Final answer
   x = 93.54