Finding the Fourth Proportional to 2,345.49, 3,215.50 and 2,304.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,345.49 : 3,215.50 = 2,304.05 : x
2. Step 2: Convert to fraction form
   2,345.49/3,215.50 = 2,304.05/x
3. Step 3: Cross multiply
   2,345.49x = 3,215.50 × 2,304.05
4. Step 4: Simplify right side
   2,345.49x = 7,408,650.94
5. Step 5: Solve for x
   x = 7,408,650.94/2,345.49
6. Step 6: Final answer
   x = 3,158.68