Finding the Fourth Proportional to 3,967.43, 5,953.83 and 2,119.87

Step by Step Solution

1. Step 1: Write the proportion equation
   3,967.43 : 5,953.83 = 2,119.87 : x
2. Step 2: Convert to fraction form
   3,967.43/5,953.83 = 2,119.87/x
3. Step 3: Cross multiply
   3,967.43x = 5,953.83 × 2,119.87
4. Step 4: Simplify right side
   3,967.43x = 12,621,315.83
5. Step 5: Solve for x
   x = 12,621,315.83/3,967.43
6. Step 6: Final answer
   x = 3,181.24