Finding the Fourth Proportional to 3,969.16, 5,477.76 and 2,200.73

Step by Step Solution

1. Step 1: Write the proportion equation
   3,969.16 : 5,477.76 = 2,200.73 : x
2. Step 2: Convert to fraction form
   3,969.16/5,477.76 = 2,200.73/x
3. Step 3: Cross multiply
   3,969.16x = 5,477.76 × 2,200.73
4. Step 4: Simplify right side
   3,969.16x = 12,055,043.38
5. Step 5: Solve for x
   x = 12,055,043.38/3,969.16
6. Step 6: Final answer
   x = 3,037.18