Finding the Fourth Proportional to 50,449.89, 75,487.98 and 31,579.59

Step by Step Solution

1. Step 1: Write the proportion equation
   50,449.89 : 75,487.98 = 31,579.59 : x
2. Step 2: Convert to fraction form
   50,449.89/75,487.98 = 31,579.59/x
3. Step 3: Cross multiply
   50,449.89x = 75,487.98 × 31,579.59
4. Step 4: Simplify right side
   50,449.89x = 2,383,879,458.33
5. Step 5: Solve for x
   x = 2,383,879,458.33/50,449.89
6. Step 6: Final answer
   x = 47,252.42