Finding the Fourth Proportional to 3,672.20, 5,067.59 and 1,993.60

Step by Step Solution

1. Step 1: Write the proportion equation
   3,672.20 : 5,067.59 = 1,993.60 : x
2. Step 2: Convert to fraction form
   3,672.20/5,067.59 = 1,993.60/x
3. Step 3: Cross multiply
   3,672.20x = 5,067.59 × 1,993.60
4. Step 4: Simplify right side
   3,672.20x = 10,102,747.42
5. Step 5: Solve for x
   x = 10,102,747.42/3,672.20
6. Step 6: Final answer
   x = 2,751.14