Finding the Fourth Proportional to 89.75, 123.82 and 73.37

Step by Step Solution

1. Step 1: Write the proportion equation
   89.75 : 123.82 = 73.37 : x
2. Step 2: Convert to fraction form
   89.75/123.82 = 73.37/x
3. Step 3: Cross multiply
   89.75x = 123.82 × 73.37
4. Step 4: Simplify right side
   89.75x = 9,083.87
5. Step 5: Solve for x
   x = 9,083.87/89.75
6. Step 6: Final answer
   x = 101.22