Finding the Fourth Proportional to 67.14, 100.62 and 59.22

Step by Step Solution

1. Step 1: Write the proportion equation
   67.14 : 100.62 = 59.22 : x
2. Step 2: Convert to fraction form
   67.14/100.62 = 59.22/x
3. Step 3: Cross multiply
   67.14x = 100.62 × 59.22
4. Step 4: Simplify right side
   67.14x = 5,958.72
5. Step 5: Solve for x
   x = 5,958.72/67.14
6. Step 6: Final answer
   x = 88.75