Finding the Fourth Proportional to 89.48, 134.27 and 82.76

Step by Step Solution

1. Step 1: Write the proportion equation
   89.48 : 134.27 = 82.76 : x
2. Step 2: Convert to fraction form
   89.48/134.27 = 82.76/x
3. Step 3: Cross multiply
   89.48x = 134.27 × 82.76
4. Step 4: Simplify right side
   89.48x = 11,111.77
5. Step 5: Solve for x
   x = 11,111.77/89.48
6. Step 6: Final answer
   x = 124.18