Finding the Fourth Proportional to 51,499.50, 71,073.57 and 28,843.71

Step by Step Solution

1. Step 1: Write the proportion equation
   51,499.50 : 71,073.57 = 28,843.71 : x
2. Step 2: Convert to fraction form
   51,499.50/71,073.57 = 28,843.71/x
3. Step 3: Cross multiply
   51,499.50x = 71,073.57 × 28,843.71
4. Step 4: Simplify right side
   51,499.50x = 2,050,025,441.74
5. Step 5: Solve for x
   x = 2,050,025,441.74/51,499.50
6. Step 6: Final answer
   x = 39,806.71