Finding the Fourth Proportional to 3,469.56, 5,199.18 and 2,081.27

Step by Step Solution

1. Step 1: Write the proportion equation
   3,469.56 : 5,199.18 = 2,081.27 : x
2. Step 2: Convert to fraction form
   3,469.56/5,199.18 = 2,081.27/x
3. Step 3: Cross multiply
   3,469.56x = 5,199.18 × 2,081.27
4. Step 4: Simplify right side
   3,469.56x = 10,820,871.36
5. Step 5: Solve for x
   x = 10,820,871.36/3,469.56
6. Step 6: Final answer
   x = 3,118.80