Finding the Fourth Proportional to 72.97, 100.71 and 43.87

Step by Step Solution

1. Step 1: Write the proportion equation
   72.97 : 100.71 = 43.87 : x
2. Step 2: Convert to fraction form
   72.97/100.71 = 43.87/x
3. Step 3: Cross multiply
   72.97x = 100.71 × 43.87
4. Step 4: Simplify right side
   72.97x = 4,418.15
5. Step 5: Solve for x
   x = 4,418.15/72.97
6. Step 6: Final answer
   x = 60.55