Finding the Fourth Proportional to 41,890.82, 57,868.17 and 38,107.31

Step by Step Solution

1. Step 1: Write the proportion equation
   41,890.82 : 57,868.17 = 38,107.31 : x
2. Step 2: Convert to fraction form
   41,890.82/57,868.17 = 38,107.31/x
3. Step 3: Cross multiply
   41,890.82x = 57,868.17 × 38,107.31
4. Step 4: Simplify right side
   41,890.82x = 2,205,200,293.32
5. Step 5: Solve for x
   x = 2,205,200,293.32/41,890.82
6. Step 6: Final answer
   x = 52,641.61