Finding the Fourth Proportional to 11,456.82, 17,187.68 and 3,559.16

Step by Step Solution

1. Step 1: Write the proportion equation
   11,456.82 : 17,187.68 = 3,559.16 : x
2. Step 2: Convert to fraction form
   11,456.82/17,187.68 = 3,559.16/x
3. Step 3: Cross multiply
   11,456.82x = 17,187.68 × 3,559.16
4. Step 4: Simplify right side
   11,456.82x = 61,173,703.15
5. Step 5: Solve for x
   x = 61,173,703.15/11,456.82
6. Step 6: Final answer
   x = 5,339.50