Finding the Fourth Proportional to 88.01, 131.38 and 72.62

Step by Step Solution

1. Step 1: Write the proportion equation
   88.01 : 131.38 = 72.62 : x
2. Step 2: Convert to fraction form
   88.01/131.38 = 72.62/x
3. Step 3: Cross multiply
   88.01x = 131.38 × 72.62
4. Step 4: Simplify right side
   88.01x = 9,540.82
5. Step 5: Solve for x
   x = 9,540.82/88.01
6. Step 6: Final answer
   x = 108.41