Finding the Fourth Proportional to 111.69, 167.54 and 46.72

Step by Step Solution

1. Step 1: Write the proportion equation
   111.69 : 167.54 = 46.72 : x
2. Step 2: Convert to fraction form
   111.69/167.54 = 46.72/x
3. Step 3: Cross multiply
   111.69x = 167.54 × 46.72
4. Step 4: Simplify right side
   111.69x = 7,826.63
5. Step 5: Solve for x
   x = 7,826.63/111.69
6. Step 6: Final answer
   x = 70.08