Finding the Fourth Proportional to 41,919.41, 57,819.49 and 28,467.31

Step by Step Solution

1. Step 1: Write the proportion equation
   41,919.41 : 57,819.49 = 28,467.31 : x
2. Step 2: Convert to fraction form
   41,919.41/57,819.49 = 28,467.31/x
3. Step 3: Cross multiply
   41,919.41x = 57,819.49 × 28,467.31
4. Step 4: Simplify right side
   41,919.41x = 1,645,965,345.87
5. Step 5: Solve for x
   x = 1,645,965,345.87/41,919.41
6. Step 6: Final answer
   x = 39,264.99