Finding the Fourth Proportional to 72.50, 100.10 and 46.67

Step by Step Solution

1. Step 1: Write the proportion equation
   72.50 : 100.10 = 46.67 : x
2. Step 2: Convert to fraction form
   72.50/100.10 = 46.67/x
3. Step 3: Cross multiply
   72.50x = 100.10 × 46.67
4. Step 4: Simplify right side
   72.50x = 4,671.43
5. Step 5: Solve for x
   x = 4,671.43/72.50
6. Step 6: Final answer
   x = 64.43