Finding the Fourth Proportional to 2,304.28, 3,180.36 and 1,605.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,304.28 : 3,180.36 = 1,605.25 : x
2. Step 2: Convert to fraction form
   2,304.28/3,180.36 = 1,605.25/x
3. Step 3: Cross multiply
   2,304.28x = 3,180.36 × 1,605.25
4. Step 4: Simplify right side
   2,304.28x = 5,105,272.89
5. Step 5: Solve for x
   x = 5,105,272.89/2,304.28
6. Step 6: Final answer
   x = 2,215.56