Finding the Fourth Proportional to 103.59, 154.98 and 67.37

Step by Step Solution

1. Step 1: Write the proportion equation
   103.59 : 154.98 = 67.37 : x
2. Step 2: Convert to fraction form
   103.59/154.98 = 67.37/x
3. Step 3: Cross multiply
   103.59x = 154.98 × 67.37
4. Step 4: Simplify right side
   103.59x = 10,440.23
5. Step 5: Solve for x
   x = 10,440.23/103.59
6. Step 6: Final answer
   x = 100.78