Finding the Fourth Proportional to 3,789.47, 5,674.06 and 3,571.11

Step by Step Solution

1. Step 1: Write the proportion equation
   3,789.47 : 5,674.06 = 3,571.11 : x
2. Step 2: Convert to fraction form
   3,789.47/5,674.06 = 3,571.11/x
3. Step 3: Cross multiply
   3,789.47x = 5,674.06 × 3,571.11
4. Step 4: Simplify right side
   3,789.47x = 20,262,692.41
5. Step 5: Solve for x
   x = 20,262,692.41/3,789.47
6. Step 6: Final answer
   x = 5,347.10