Finding the Fourth Proportional to 2,345.43, 3,243.78 and 2,096.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,345.43 : 3,243.78 = 2,096.31 : x
2. Step 2: Convert to fraction form
   2,345.43/3,243.78 = 2,096.31/x
3. Step 3: Cross multiply
   2,345.43x = 3,243.78 × 2,096.31
4. Step 4: Simplify right side
   2,345.43x = 6,799,968.45
5. Step 5: Solve for x
   x = 6,799,968.45/2,345.43
6. Step 6: Final answer
   x = 2,899.24