Finding the Fourth Proportional to 99.50, 149.18 and 65.27

Step by Step Solution

1. Step 1: Write the proportion equation
   99.50 : 149.18 = 65.27 : x
2. Step 2: Convert to fraction form
   99.50/149.18 = 65.27/x
3. Step 3: Cross multiply
   99.50x = 149.18 × 65.27
4. Step 4: Simplify right side
   99.50x = 9,737.03
5. Step 5: Solve for x
   x = 9,737.03/99.50
6. Step 6: Final answer
   x = 97.86