Finding the Fourth Proportional to 3,762.72, 5,643.40 and 2,203.47

Step by Step Solution

1. Step 1: Write the proportion equation
   3,762.72 : 5,643.40 = 2,203.47 : x
2. Step 2: Convert to fraction form
   3,762.72/5,643.40 = 2,203.47/x
3. Step 3: Cross multiply
   3,762.72x = 5,643.40 × 2,203.47
4. Step 4: Simplify right side
   3,762.72x = 12,435,062.60
5. Step 5: Solve for x
   x = 12,435,062.60/3,762.72
6. Step 6: Final answer
   x = 3,304.81