Finding the Fourth Proportional to 4,058.78, 5,601.42 and 2,290.41

Step by Step Solution

1. Step 1: Write the proportion equation
   4,058.78 : 5,601.42 = 2,290.41 : x
2. Step 2: Convert to fraction form
   4,058.78/5,601.42 = 2,290.41/x
3. Step 3: Cross multiply
   4,058.78x = 5,601.42 × 2,290.41
4. Step 4: Simplify right side
   4,058.78x = 12,829,548.38
5. Step 5: Solve for x
   x = 12,829,548.38/4,058.78
6. Step 6: Final answer
   x = 3,160.94