Finding the Fourth Proportional to 3,927.42, 5,420.16 and 2,249.37

Step by Step Solution

1. Step 1: Write the proportion equation
   3,927.42 : 5,420.16 = 2,249.37 : x
2. Step 2: Convert to fraction form
   3,927.42/5,420.16 = 2,249.37/x
3. Step 3: Cross multiply
   3,927.42x = 5,420.16 × 2,249.37
4. Step 4: Simplify right side
   3,927.42x = 12,191,945.30
5. Step 5: Solve for x
   x = 12,191,945.30/3,927.42
6. Step 6: Final answer
   x = 3,104.31