Finding the Fourth Proportional to 72.96, 100.65 and 43.83

Step by Step Solution

1. Step 1: Write the proportion equation
   72.96 : 100.65 = 43.83 : x
2. Step 2: Convert to fraction form
   72.96/100.65 = 43.83/x
3. Step 3: Cross multiply
   72.96x = 100.65 × 43.83
4. Step 4: Simplify right side
   72.96x = 4,411.49
5. Step 5: Solve for x
   x = 4,411.49/72.96
6. Step 6: Final answer
   x = 60.46