Finding the Fourth Proportional to 116.02, 173.89 and 111.43

Step by Step Solution

1. Step 1: Write the proportion equation
   116.02 : 173.89 = 111.43 : x
2. Step 2: Convert to fraction form
   116.02/173.89 = 111.43/x
3. Step 3: Cross multiply
   116.02x = 173.89 × 111.43
4. Step 4: Simplify right side
   116.02x = 19,376.56
5. Step 5: Solve for x
   x = 19,376.56/116.02
6. Step 6: Final answer
   x = 167.01