Finding the Fourth Proportional to 89.24, 123.10 and 59.79

Step by Step Solution

1. Step 1: Write the proportion equation
   89.24 : 123.10 = 59.79 : x
2. Step 2: Convert to fraction form
   89.24/123.10 = 59.79/x
3. Step 3: Cross multiply
   89.24x = 123.10 × 59.79
4. Step 4: Simplify right side
   89.24x = 7,360.15
5. Step 5: Solve for x
   x = 7,360.15/89.24
6. Step 6: Final answer
   x = 82.48