Finding the Fourth Proportional to 2,601.35, 3,589.92 and 1,422.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,601.35 : 3,589.92 = 1,422.43 : x
2. Step 2: Convert to fraction form
   2,601.35/3,589.92 = 1,422.43/x
3. Step 3: Cross multiply
   2,601.35x = 3,589.92 × 1,422.43
4. Step 4: Simplify right side
   2,601.35x = 5,106,400.93
5. Step 5: Solve for x
   x = 5,106,400.93/2,601.35
6. Step 6: Final answer
   x = 1,962.98