Finding the Fourth Proportional to 3,819.72, 5,271.12 and 2,141.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,819.72 : 5,271.12 = 2,141.10 : x
2. Step 2: Convert to fraction form
   3,819.72/5,271.12 = 2,141.10/x
3. Step 3: Cross multiply
   3,819.72x = 5,271.12 × 2,141.10
4. Step 4: Simplify right side
   3,819.72x = 11,285,995.03
5. Step 5: Solve for x
   x = 11,285,995.03/3,819.72
6. Step 6: Final answer
   x = 2,954.67