Finding the Fourth Proportional to 72.62, 100.24 and 43.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72.62 : 100.24 = 43.50 : x
2. Step 2: Convert to fraction form
   72.62/100.24 = 43.50/x
3. Step 3: Cross multiply
   72.62x = 100.24 × 43.50
4. Step 4: Simplify right side
   72.62x = 4,360.33
5. Step 5: Solve for x
   x = 4,360.33/72.62
6. Step 6: Final answer
   x = 60.05