Finding the Fourth Proportional to 67.18, 100.73 and 30.62

Step by Step Solution

1. Step 1: Write the proportion equation
   67.18 : 100.73 = 30.62 : x
2. Step 2: Convert to fraction form
   67.18/100.73 = 30.62/x
3. Step 3: Cross multiply
   67.18x = 100.73 × 30.62
4. Step 4: Simplify right side
   67.18x = 3,084.35
5. Step 5: Solve for x
   x = 3,084.35/67.18
6. Step 6: Final answer
   x = 45.91