Finding the Fourth Proportional to 3,874.90, 5,809.83 and 2,144.74

Step by Step Solution

1. Step 1: Write the proportion equation
   3,874.90 : 5,809.83 = 2,144.74 : x
2. Step 2: Convert to fraction form
   3,874.90/5,809.83 = 2,144.74/x
3. Step 3: Cross multiply
   3,874.90x = 5,809.83 × 2,144.74
4. Step 4: Simplify right side
   3,874.90x = 12,460,574.79
5. Step 5: Solve for x
   x = 12,460,574.79/3,874.90
6. Step 6: Final answer
   x = 3,215.72