Finding the Fourth Proportional to 2,739.57, 4,107.89 and 1,422.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,739.57 : 4,107.89 = 1,422.00 : x
2. Step 2: Convert to fraction form
   2,739.57/4,107.89 = 1,422.00/x
3. Step 3: Cross multiply
   2,739.57x = 4,107.89 × 1,422.00
4. Step 4: Simplify right side
   2,739.57x = 5,841,399.04
5. Step 5: Solve for x
   x = 5,841,399.04/2,739.57
6. Step 6: Final answer
   x = 2,132.23