Finding the Fourth Proportional to 2,541.15, 3,506.81 and 1,422.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,541.15 : 3,506.81 = 1,422.10 : x
2. Step 2: Convert to fraction form
   2,541.15/3,506.81 = 1,422.10/x
3. Step 3: Cross multiply
   2,541.15x = 3,506.81 × 1,422.10
4. Step 4: Simplify right side
   2,541.15x = 4,987,018.62
5. Step 5: Solve for x
   x = 4,987,018.62/2,541.15
6. Step 6: Final answer
   x = 1,962.50