Finding the Fourth Proportional to 51,609.33, 71,224.25 and 28,949.81

Step by Step Solution

1. Step 1: Write the proportion equation
   51,609.33 : 71,224.25 = 28,949.81 : x
2. Step 2: Convert to fraction form
   51,609.33/71,224.25 = 28,949.81/x
3. Step 3: Cross multiply
   51,609.33x = 71,224.25 × 28,949.81
4. Step 4: Simplify right side
   51,609.33x = 2,061,928,004.02
5. Step 5: Solve for x
   x = 2,061,928,004.02/51,609.33
6. Step 6: Final answer
   x = 39,952.62