Finding the Fourth Proportional to 3,358.98, 5,031.06 and 2,105.49

Step by Step Solution

1. Step 1: Write the proportion equation
   3,358.98 : 5,031.06 = 2,105.49 : x
2. Step 2: Convert to fraction form
   3,358.98/5,031.06 = 2,105.49/x
3. Step 3: Cross multiply
   3,358.98x = 5,031.06 × 2,105.49
4. Step 4: Simplify right side
   3,358.98x = 10,592,846.52
5. Step 5: Solve for x
   x = 10,592,846.52/3,358.98
6. Step 6: Final answer
   x = 3,153.59