Finding the Fourth Proportional to 11,371.88, 17,058.42 and 3,581.30

Step by Step Solution

1. Step 1: Write the proportion equation
   11,371.88 : 17,058.42 = 3,581.30 : x
2. Step 2: Convert to fraction form
   11,371.88/17,058.42 = 3,581.30/x
3. Step 3: Cross multiply
   11,371.88x = 17,058.42 × 3,581.30
4. Step 4: Simplify right side
   11,371.88x = 61,091,234.25
5. Step 5: Solve for x
   x = 61,091,234.25/11,371.88
6. Step 6: Final answer
   x = 5,372.13