Finding the Fourth Proportional to 111.83, 167.67 and 39.69

Step by Step Solution

1. Step 1: Write the proportion equation
   111.83 : 167.67 = 39.69 : x
2. Step 2: Convert to fraction form
   111.83/167.67 = 39.69/x
3. Step 3: Cross multiply
   111.83x = 167.67 × 39.69
4. Step 4: Simplify right side
   111.83x = 6,654.82
5. Step 5: Solve for x
   x = 6,654.82/111.83
6. Step 6: Final answer
   x = 59.51