Finding the Fourth Proportional to 67.01, 100.49 and 30.47

Step by Step Solution

1. Step 1: Write the proportion equation
   67.01 : 100.49 = 30.47 : x
2. Step 2: Convert to fraction form
   67.01/100.49 = 30.47/x
3. Step 3: Cross multiply
   67.01x = 100.49 × 30.47
4. Step 4: Simplify right side
   67.01x = 3,061.28
5. Step 5: Solve for x
   x = 3,061.28/67.01
6. Step 6: Final answer
   x = 45.69