Finding the Fourth Proportional to 5,720.03, 8,589.85 and 3,511.82

Step by Step Solution

1. Step 1: Write the proportion equation
   5,720.03 : 8,589.85 = 3,511.82 : x
2. Step 2: Convert to fraction form
   5,720.03/8,589.85 = 3,511.82/x
3. Step 3: Cross multiply
   5,720.03x = 8,589.85 × 3,511.82
4. Step 4: Simplify right side
   5,720.03x = 30,166,007.03
5. Step 5: Solve for x
   x = 30,166,007.03/5,720.03
6. Step 6: Final answer
   x = 5,273.75