Finding the Fourth Proportional to 1,607.94, 2,408.67 and 1,422.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,607.94 : 2,408.67 = 1,422.09 : x
2. Step 2: Convert to fraction form
   1,607.94/2,408.67 = 1,422.09/x
3. Step 3: Cross multiply
   1,607.94x = 2,408.67 × 1,422.09
4. Step 4: Simplify right side
   1,607.94x = 3,425,345.52
5. Step 5: Solve for x
   x = 3,425,345.52/1,607.94
6. Step 6: Final answer
   x = 2,130.27