Finding the Fourth Proportional to 116.73, 173.72 and 116.37

Step by Step Solution

1. Step 1: Write the proportion equation
   116.73 : 173.72 = 116.37 : x
2. Step 2: Convert to fraction form
   116.73/173.72 = 116.37/x
3. Step 3: Cross multiply
   116.73x = 173.72 × 116.37
4. Step 4: Simplify right side
   116.73x = 20,216.09
5. Step 5: Solve for x
   x = 20,216.09/116.73
6. Step 6: Final answer
   x = 173.19