Finding the Fourth Proportional to 2,541.27, 3,507.03 and 1,422.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,541.27 : 3,507.03 = 1,422.20 : x
2. Step 2: Convert to fraction form
   2,541.27/3,507.03 = 1,422.20/x
3. Step 3: Cross multiply
   2,541.27x = 3,507.03 × 1,422.20
4. Step 4: Simplify right side
   2,541.27x = 4,987,716.96
5. Step 5: Solve for x
   x = 4,987,716.96/2,541.27
6. Step 6: Final answer
   x = 1,962.69