Finding the Fourth Proportional to 3,709.73, 5,119.31 and 2,031.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,709.73 : 5,119.31 = 2,031.10 : x
2. Step 2: Convert to fraction form
   3,709.73/5,119.31 = 2,031.10/x
3. Step 3: Cross multiply
   3,709.73x = 5,119.31 × 2,031.10
4. Step 4: Simplify right side
   3,709.73x = 10,397,822.82
5. Step 5: Solve for x
   x = 10,397,822.82/3,709.73
6. Step 6: Final answer
   x = 2,802.85