Finding the Fourth Proportional to 67.42, 100.59 and 65.94

Step by Step Solution

1. Step 1: Write the proportion equation
   67.42 : 100.59 = 65.94 : x
2. Step 2: Convert to fraction form
   67.42/100.59 = 65.94/x
3. Step 3: Cross multiply
   67.42x = 100.59 × 65.94
4. Step 4: Simplify right side
   67.42x = 6,632.57
5. Step 5: Solve for x
   x = 6,632.57/67.42
6. Step 6: Final answer
   x = 98.38