Finding the Fourth Proportional to 72.92, 100.67 and 46.72

Step by Step Solution

1. Step 1: Write the proportion equation
   72.92 : 100.67 = 46.72 : x
2. Step 2: Convert to fraction form
   72.92/100.67 = 46.72/x
3. Step 3: Cross multiply
   72.92x = 100.67 × 46.72
4. Step 4: Simplify right side
   72.92x = 4,703.30
5. Step 5: Solve for x
   x = 4,703.30/72.92
6. Step 6: Final answer
   x = 64.50