Finding the Fourth Proportional to 72.26, 99.76 and 46.42

Step by Step Solution

1. Step 1: Write the proportion equation
   72.26 : 99.76 = 46.42 : x
2. Step 2: Convert to fraction form
   72.26/99.76 = 46.42/x
3. Step 3: Cross multiply
   72.26x = 99.76 × 46.42
4. Step 4: Simplify right side
   72.26x = 4,630.86
5. Step 5: Solve for x
   x = 4,630.86/72.26
6. Step 6: Final answer
   x = 64.09