Finding the Fourth Proportional to 111.94, 167.94 and 47.82

Step by Step Solution

1. Step 1: Write the proportion equation
   111.94 : 167.94 = 47.82 : x
2. Step 2: Convert to fraction form
   111.94/167.94 = 47.82/x
3. Step 3: Cross multiply
   111.94x = 167.94 × 47.82
4. Step 4: Simplify right side
   111.94x = 8,030.89
5. Step 5: Solve for x
   x = 8,030.89/111.94
6. Step 6: Final answer
   x = 71.74