Finding the Fourth Proportional to 5,550.81, 7,661.40 and 3,662.73

Step by Step Solution

1. Step 1: Write the proportion equation
   5,550.81 : 7,661.40 = 3,662.73 : x
2. Step 2: Convert to fraction form
   5,550.81/7,661.40 = 3,662.73/x
3. Step 3: Cross multiply
   5,550.81x = 7,661.40 × 3,662.73
4. Step 4: Simplify right side
   5,550.81x = 28,061,639.62
5. Step 5: Solve for x
   x = 28,061,639.62/5,550.81
6. Step 6: Final answer
   x = 5,055.41