Finding the Fourth Proportional to 51,984.72, 71,738.91 and 28,111.39

Step by Step Solution

1. Step 1: Write the proportion equation
   51,984.72 : 71,738.91 = 28,111.39 : x
2. Step 2: Convert to fraction form
   51,984.72/71,738.91 = 28,111.39/x
3. Step 3: Cross multiply
   51,984.72x = 71,738.91 × 28,111.39
4. Step 4: Simplify right side
   51,984.72x = 2,016,680,297.84
5. Step 5: Solve for x
   x = 2,016,680,297.84/51,984.72
6. Step 6: Final answer
   x = 38,793.71