Finding the Fourth Proportional to 2,601.03, 3,589.43 and 1,422.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,601.03 : 3,589.43 = 1,422.10 : x
2. Step 2: Convert to fraction form
   2,601.03/3,589.43 = 1,422.10/x
3. Step 3: Cross multiply
   2,601.03x = 3,589.43 × 1,422.10
4. Step 4: Simplify right side
   2,601.03x = 5,104,528.40
5. Step 5: Solve for x
   x = 5,104,528.40/2,601.03
6. Step 6: Final answer
   x = 1,962.50