Finding the Fourth Proportional to 2,355.72, 3,243.96 and 2,304.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,355.72 : 3,243.96 = 2,304.60 : x
2. Step 2: Convert to fraction form
   2,355.72/3,243.96 = 2,304.60/x
3. Step 3: Cross multiply
   2,355.72x = 3,243.96 × 2,304.60
4. Step 4: Simplify right side
   2,355.72x = 7,476,030.22
5. Step 5: Solve for x
   x = 7,476,030.22/2,355.72
6. Step 6: Final answer
   x = 3,173.56