Finding the Fourth Proportional to 3,871.82, 5,343.17 and 2,103.46

Step by Step Solution

1. Step 1: Write the proportion equation
   3,871.82 : 5,343.17 = 2,103.46 : x
2. Step 2: Convert to fraction form
   3,871.82/5,343.17 = 2,103.46/x
3. Step 3: Cross multiply
   3,871.82x = 5,343.17 × 2,103.46
4. Step 4: Simplify right side
   3,871.82x = 11,239,144.37
5. Step 5: Solve for x
   x = 11,239,144.37/3,871.82
6. Step 6: Final answer
   x = 2,902.81