Finding the Fourth Proportional to 88.51, 131.81 and 83.27

Step by Step Solution

1. Step 1: Write the proportion equation
   88.51 : 131.81 = 83.27 : x
2. Step 2: Convert to fraction form
   88.51/131.81 = 83.27/x
3. Step 3: Cross multiply
   88.51x = 131.81 × 83.27
4. Step 4: Simplify right side
   88.51x = 10,975.82
5. Step 5: Solve for x
   x = 10,975.82/88.51
6. Step 6: Final answer
   x = 124.01