Finding the Fourth Proportional to 3,717.20, 5,533.33 and 3,661.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,717.20 : 5,533.33 = 3,661.82 : x
2. Step 2: Convert to fraction form
   3,717.20/5,533.33 = 3,661.82/x
3. Step 3: Cross multiply
   3,717.20x = 5,533.33 × 3,661.82
4. Step 4: Simplify right side
   3,717.20x = 20,262,058.46
5. Step 5: Solve for x
   x = 20,262,058.46/3,717.20
6. Step 6: Final answer
   x = 5,450.89