Finding the Fourth Proportional to 3,608.44, 5,407.87 and 1,853.37

Step by Step Solution

1. Step 1: Write the proportion equation
   3,608.44 : 5,407.87 = 1,853.37 : x
2. Step 2: Convert to fraction form
   3,608.44/5,407.87 = 1,853.37/x
3. Step 3: Cross multiply
   3,608.44x = 5,407.87 × 1,853.37
4. Step 4: Simplify right side
   3,608.44x = 10,022,747.72
5. Step 5: Solve for x
   x = 10,022,747.72/3,608.44
6. Step 6: Final answer
   x = 2,777.59