Finding the Fourth Proportional to 3,727.89, 5,563.91 and 3,666.37

Step by Step Solution

1. Step 1: Write the proportion equation
   3,727.89 : 5,563.91 = 3,666.37 : x
2. Step 2: Convert to fraction form
   3,727.89/5,563.91 = 3,666.37/x
3. Step 3: Cross multiply
   3,727.89x = 5,563.91 × 3,666.37
4. Step 4: Simplify right side
   3,727.89x = 20,399,352.71
5. Step 5: Solve for x
   x = 20,399,352.71/3,727.89
6. Step 6: Final answer
   x = 5,472.09