Finding the Fourth Proportional to 2,469.84, 3,408.28 and 1,422.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,469.84 : 3,408.28 = 1,422.08 : x
2. Step 2: Convert to fraction form
   2,469.84/3,408.28 = 1,422.08/x
3. Step 3: Cross multiply
   2,469.84x = 3,408.28 × 1,422.08
4. Step 4: Simplify right side
   2,469.84x = 4,846,846.82
5. Step 5: Solve for x
   x = 4,846,846.82/2,469.84
6. Step 6: Final answer
   x = 1,962.41