Finding the Fourth Proportional to 111.37, 166.94 and 60.00

Step by Step Solution

1. Step 1: Write the proportion equation
   111.37 : 166.94 = 60.00 : x
2. Step 2: Convert to fraction form
   111.37/166.94 = 60.00/x
3. Step 3: Cross multiply
   111.37x = 166.94 × 60.00
4. Step 4: Simplify right side
   111.37x = 10,015.65
5. Step 5: Solve for x
   x = 10,015.65/111.37
6. Step 6: Final answer
   x = 89.93