Finding the Fourth Proportional to 3,818.33, 5,269.43 and 3,643.37

Step by Step Solution

1. Step 1: Write the proportion equation
   3,818.33 : 5,269.43 = 3,643.37 : x
2. Step 2: Convert to fraction form
   3,818.33/5,269.43 = 3,643.37/x
3. Step 3: Cross multiply
   3,818.33x = 5,269.43 × 3,643.37
4. Step 4: Simplify right side
   3,818.33x = 19,198,464.96
5. Step 5: Solve for x
   x = 19,198,464.96/3,818.33
6. Step 6: Final answer
   x = 5,027.97