Finding the Fourth Proportional to 67.18, 100.72 and 46.83

Step by Step Solution

1. Step 1: Write the proportion equation
   67.18 : 100.72 = 46.83 : x
2. Step 2: Convert to fraction form
   67.18/100.72 = 46.83/x
3. Step 3: Cross multiply
   67.18x = 100.72 × 46.83
4. Step 4: Simplify right side
   67.18x = 4,716.72
5. Step 5: Solve for x
   x = 4,716.72/67.18
6. Step 6: Final answer
   x = 70.21