Finding the Fourth Proportional to 3,399.87, 5,091.51 and 2,009.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,399.87 : 5,091.51 = 2,009.05 : x
2. Step 2: Convert to fraction form
   3,399.87/5,091.51 = 2,009.05/x
3. Step 3: Cross multiply
   3,399.87x = 5,091.51 × 2,009.05
4. Step 4: Simplify right side
   3,399.87x = 10,229,110.31
5. Step 5: Solve for x
   x = 10,229,110.31/3,399.87
6. Step 6: Final answer
   x = 3,008.67