Finding the Fourth Proportional to 67.05, 100.52 and 31.01

Step by Step Solution

1. Step 1: Write the proportion equation
   67.05 : 100.52 = 31.01 : x
2. Step 2: Convert to fraction form
   67.05/100.52 = 31.01/x
3. Step 3: Cross multiply
   67.05x = 100.52 × 31.01
4. Step 4: Simplify right side
   67.05x = 3,116.95
5. Step 5: Solve for x
   x = 3,116.95/67.05
6. Step 6: Final answer
   x = 46.49