Finding the Fourth Proportional to 6,404.85, 8,839.37 and 3,754.49

Step by Step Solution

1. Step 1: Write the proportion equation
   6,404.85 : 8,839.37 = 3,754.49 : x
2. Step 2: Convert to fraction form
   6,404.85/8,839.37 = 3,754.49/x
3. Step 3: Cross multiply
   6,404.85x = 8,839.37 × 3,754.49
4. Step 4: Simplify right side
   6,404.85x = 33,187,291.46
5. Step 5: Solve for x
   x = 33,187,291.46/6,404.85
6. Step 6: Final answer
   x = 5,181.59