Finding the Fourth Proportional to 116.50, 174.81 and 59.50

Step by Step Solution

1. Step 1: Write the proportion equation
   116.50 : 174.81 = 59.50 : x
2. Step 2: Convert to fraction form
   116.50/174.81 = 59.50/x
3. Step 3: Cross multiply
   116.50x = 174.81 × 59.50
4. Step 4: Simplify right side
   116.50x = 10,401.20
5. Step 5: Solve for x
   x = 10,401.20/116.50
6. Step 6: Final answer
   x = 89.28