Finding the Fourth Proportional to 2,504.82, 3,456.57 and 1,621.11

Step by Step Solution

1. Step 1: Write the proportion equation
   2,504.82 : 3,456.57 = 1,621.11 : x
2. Step 2: Convert to fraction form
   2,504.82/3,456.57 = 1,621.11/x
3. Step 3: Cross multiply
   2,504.82x = 3,456.57 × 1,621.11
4. Step 4: Simplify right side
   2,504.82x = 5,603,480.19
5. Step 5: Solve for x
   x = 5,603,480.19/2,504.82
6. Step 6: Final answer
   x = 2,237.08