Finding the Fourth Proportional to 116.86, 173.91 and 116.50

Step by Step Solution

1. Step 1: Write the proportion equation
   116.86 : 173.91 = 116.50 : x
2. Step 2: Convert to fraction form
   116.86/173.91 = 116.50/x
3. Step 3: Cross multiply
   116.86x = 173.91 × 116.50
4. Step 4: Simplify right side
   116.86x = 20,259.50
5. Step 5: Solve for x
   x = 20,259.50/116.86
6. Step 6: Final answer
   x = 173.37