Finding the Fourth Proportional to 41,647.78, 57,474.78 and 22,785.31

Step by Step Solution

1. Step 1: Write the proportion equation
   41,647.78 : 57,474.78 = 22,785.31 : x
2. Step 2: Convert to fraction form
   41,647.78/57,474.78 = 22,785.31/x
3. Step 3: Cross multiply
   41,647.78x = 57,474.78 × 22,785.31
4. Step 4: Simplify right side
   41,647.78x = 1,309,580,665.88
5. Step 5: Solve for x
   x = 1,309,580,665.88/41,647.78
6. Step 6: Final answer
   x = 31,444.19