Finding the Fourth Proportional to 89.67, 123.73 and 60.56

Step by Step Solution

1. Step 1: Write the proportion equation
   89.67 : 123.73 = 60.56 : x
2. Step 2: Convert to fraction form
   89.67/123.73 = 60.56/x
3. Step 3: Cross multiply
   89.67x = 123.73 × 60.56
4. Step 4: Simplify right side
   89.67x = 7,493.48
5. Step 5: Solve for x
   x = 7,493.48/89.67
6. Step 6: Final answer
   x = 83.56