Finding the Fourth Proportional to 2,189.27, 3,022.04 and 1,604.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,189.27 : 3,022.04 = 1,604.45 : x
2. Step 2: Convert to fraction form
   2,189.27/3,022.04 = 1,604.45/x
3. Step 3: Cross multiply
   2,189.27x = 3,022.04 × 1,604.45
4. Step 4: Simplify right side
   2,189.27x = 4,848,704.06
5. Step 5: Solve for x
   x = 4,848,704.06/2,189.27
6. Step 6: Final answer
   x = 2,214.76