Finding the Fourth Proportional to 3,667.37, 5,508.39 and 2,189.48

Step by Step Solution

1. Step 1: Write the proportion equation
   3,667.37 : 5,508.39 = 2,189.48 : x
2. Step 2: Convert to fraction form
   3,667.37/5,508.39 = 2,189.48/x
3. Step 3: Cross multiply
   3,667.37x = 5,508.39 × 2,189.48
4. Step 4: Simplify right side
   3,667.37x = 12,060,490.41
5. Step 5: Solve for x
   x = 12,060,490.41/3,667.37
6. Step 6: Final answer
   x = 3,288.60