Finding the Fourth Proportional to 3,872.43, 5,343.98 and 2,300.49

Step by Step Solution

1. Step 1: Write the proportion equation
   3,872.43 : 5,343.98 = 2,300.49 : x
2. Step 2: Convert to fraction form
   3,872.43/5,343.98 = 2,300.49/x
3. Step 3: Cross multiply
   3,872.43x = 5,343.98 × 2,300.49
4. Step 4: Simplify right side
   3,872.43x = 12,293,761.05
5. Step 5: Solve for x
   x = 12,293,761.05/3,872.43
6. Step 6: Final answer
   x = 3,174.69