Finding the Fourth Proportional to 3,697.37, 5,550.12 and 3,683.66

Step by Step Solution

1. Step 1: Write the proportion equation
   3,697.37 : 5,550.12 = 3,683.66 : x
2. Step 2: Convert to fraction form
   3,697.37/5,550.12 = 3,683.66/x
3. Step 3: Cross multiply
   3,697.37x = 5,550.12 × 3,683.66
4. Step 4: Simplify right side
   3,697.37x = 20,444,727.29
5. Step 5: Solve for x
   x = 20,444,727.29/3,697.37
6. Step 6: Final answer
   x = 5,529.54