Finding the Fourth Proportional to 111.90, 167.59 and 93.52

Step by Step Solution

1. Step 1: Write the proportion equation
   111.90 : 167.59 = 93.52 : x
2. Step 2: Convert to fraction form
   111.90/167.59 = 93.52/x
3. Step 3: Cross multiply
   111.90x = 167.59 × 93.52
4. Step 4: Simplify right side
   111.90x = 15,673.02
5. Step 5: Solve for x
   x = 15,673.02/111.90
6. Step 6: Final answer
   x = 140.06