Finding the Fourth Proportional to 50,044.71, 69,086.69 and 28,819.87

Step by Step Solution

1. Step 1: Write the proportion equation
   50,044.71 : 69,086.69 = 28,819.87 : x
2. Step 2: Convert to fraction form
   50,044.71/69,086.69 = 28,819.87/x
3. Step 3: Cross multiply
   50,044.71x = 69,086.69 × 28,819.87
4. Step 4: Simplify right side
   50,044.71x = 1,991,069,424.53
5. Step 5: Solve for x
   x = 1,991,069,424.53/50,044.71
6. Step 6: Final answer
   x = 39,785.81