Finding the Fourth Proportional to 111.06, 166.47 and 65.34

Step by Step Solution

1. Step 1: Write the proportion equation
   111.06 : 166.47 = 65.34 : x
2. Step 2: Convert to fraction form
   111.06/166.47 = 65.34/x
3. Step 3: Cross multiply
   111.06x = 166.47 × 65.34
4. Step 4: Simplify right side
   111.06x = 10,877.15
5. Step 5: Solve for x
   x = 10,877.15/111.06
6. Step 6: Final answer
   x = 97.94