Finding the Fourth Proportional to 4,141.75, 5,726.42 and 3,958.15

Step by Step Solution

1. Step 1: Write the proportion equation
   4,141.75 : 5,726.42 = 3,958.15 : x
2. Step 2: Convert to fraction form
   4,141.75/5,726.42 = 3,958.15/x
3. Step 3: Cross multiply
   4,141.75x = 5,726.42 × 3,958.15
4. Step 4: Simplify right side
   4,141.75x = 22,666,029.32
5. Step 5: Solve for x
   x = 22,666,029.32/4,141.75
6. Step 6: Final answer
   x = 5,472.57