Finding the Fourth Proportional to 2,469.99, 3,408.39 and 1,422.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,469.99 : 3,408.39 = 1,422.03 : x
2. Step 2: Convert to fraction form
   2,469.99/3,408.39 = 1,422.03/x
3. Step 3: Cross multiply
   2,469.99x = 3,408.39 × 1,422.03
4. Step 4: Simplify right side
   2,469.99x = 4,846,832.83
5. Step 5: Solve for x
   x = 4,846,832.83/2,469.99
6. Step 6: Final answer
   x = 1,962.29