Finding the Fourth Proportional to 41,890.38, 57,808.72 and 23,991.31

Step by Step Solution

1. Step 1: Write the proportion equation
   41,890.38 : 57,808.72 = 23,991.31 : x
2. Step 2: Convert to fraction form
   41,890.38/57,808.72 = 23,991.31/x
3. Step 3: Cross multiply
   41,890.38x = 57,808.72 × 23,991.31
4. Step 4: Simplify right side
   41,890.38x = 1,386,906,922.22
5. Step 5: Solve for x
   x = 1,386,906,922.22/41,890.38
6. Step 6: Final answer
   x = 33,108.01