Finding the Fourth Proportional to 111.98, 167.93 and 43.49

Step by Step Solution

1. Step 1: Write the proportion equation
   111.98 : 167.93 = 43.49 : x
2. Step 2: Convert to fraction form
   111.98/167.93 = 43.49/x
3. Step 3: Cross multiply
   111.98x = 167.93 × 43.49
4. Step 4: Simplify right side
   111.98x = 7,303.80
5. Step 5: Solve for x
   x = 7,303.80/111.98
6. Step 6: Final answer
   x = 65.23