Finding the Fourth Proportional to 67.29, 100.42 and 59.60

Step by Step Solution

1. Step 1: Write the proportion equation
   67.29 : 100.42 = 59.60 : x
2. Step 2: Convert to fraction form
   67.29/100.42 = 59.60/x
3. Step 3: Cross multiply
   67.29x = 100.42 × 59.60
4. Step 4: Simplify right side
   67.29x = 5,984.23
5. Step 5: Solve for x
   x = 5,984.23/67.29
6. Step 6: Final answer
   x = 88.93