Finding the Fourth Proportional to 111.51, 167.33 and 93.69

Step by Step Solution

1. Step 1: Write the proportion equation
   111.51 : 167.33 = 93.69 : x
2. Step 2: Convert to fraction form
   111.51/167.33 = 93.69/x
3. Step 3: Cross multiply
   111.51x = 167.33 × 93.69
4. Step 4: Simplify right side
   111.51x = 15,677.38
5. Step 5: Solve for x
   x = 15,677.38/111.51
6. Step 6: Final answer
   x = 140.59