Finding the Fourth Proportional to 2,600.98, 3,589.41 and 1,422.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,600.98 : 3,589.41 = 1,422.03 : x
2. Step 2: Convert to fraction form
   2,600.98/3,589.41 = 1,422.03/x
3. Step 3: Cross multiply
   2,600.98x = 3,589.41 × 1,422.03
4. Step 4: Simplify right side
   2,600.98x = 5,104,248.70
5. Step 5: Solve for x
   x = 5,104,248.70/2,600.98
6. Step 6: Final answer
   x = 1,962.43