Finding the Fourth Proportional to 88.27, 121.72 and 59.82

Step by Step Solution

1. Step 1: Write the proportion equation
   88.27 : 121.72 = 59.82 : x
2. Step 2: Convert to fraction form
   88.27/121.72 = 59.82/x
3. Step 3: Cross multiply
   88.27x = 121.72 × 59.82
4. Step 4: Simplify right side
   88.27x = 7,281.29
5. Step 5: Solve for x
   x = 7,281.29/88.27
6. Step 6: Final answer
   x = 82.49