Finding the Fourth Proportional to 111.94, 167.60 and 84.82

Step by Step Solution

1. Step 1: Write the proportion equation
   111.94 : 167.60 = 84.82 : x
2. Step 2: Convert to fraction form
   111.94/167.60 = 84.82/x
3. Step 3: Cross multiply
   111.94x = 167.60 × 84.82
4. Step 4: Simplify right side
   111.94x = 14,215.83
5. Step 5: Solve for x
   x = 14,215.83/111.94
6. Step 6: Final answer
   x = 127.00