Finding the Fourth Proportional to 11,058.38, 16,590.30 and 3,663.59

Step by Step Solution

1. Step 1: Write the proportion equation
   11,058.38 : 16,590.30 = 3,663.59 : x
2. Step 2: Convert to fraction form
   11,058.38/16,590.30 = 3,663.59/x
3. Step 3: Cross multiply
   11,058.38x = 16,590.30 × 3,663.59
4. Step 4: Simplify right side
   11,058.38x = 60,779,974.23
5. Step 5: Solve for x
   x = 60,779,974.23/11,058.38
6. Step 6: Final answer
   x = 5,496.28