Finding the Fourth Proportional to 3,408.99, 5,111.88 and 2,022.51

Step by Step Solution

1. Step 1: Write the proportion equation
   3,408.99 : 5,111.88 = 2,022.51 : x
2. Step 2: Convert to fraction form
   3,408.99/5,111.88 = 2,022.51/x
3. Step 3: Cross multiply
   3,408.99x = 5,111.88 × 2,022.51
4. Step 4: Simplify right side
   3,408.99x = 10,338,828.42
5. Step 5: Solve for x
   x = 10,338,828.42/3,408.99
6. Step 6: Final answer
   x = 3,032.81