Finding the Fourth Proportional to 89.67, 134.31 and 59.07

Step by Step Solution

1. Step 1: Write the proportion equation
   89.67 : 134.31 = 59.07 : x
2. Step 2: Convert to fraction form
   89.67/134.31 = 59.07/x
3. Step 3: Cross multiply
   89.67x = 134.31 × 59.07
4. Step 4: Simplify right side
   89.67x = 7,933.69
5. Step 5: Solve for x
   x = 7,933.69/89.67
6. Step 6: Final answer
   x = 88.48