Finding the Fourth Proportional to 89.38, 133.99 and 38.01

Step by Step Solution

1. Step 1: Write the proportion equation
   89.38 : 133.99 = 38.01 : x
2. Step 2: Convert to fraction form
   89.38/133.99 = 38.01/x
3. Step 3: Cross multiply
   89.38x = 133.99 × 38.01
4. Step 4: Simplify right side
   89.38x = 5,092.86
5. Step 5: Solve for x
   x = 5,092.86/89.38
6. Step 6: Final answer
   x = 56.98