Finding the Fourth Proportional to 2,412.57, 3,619.46 and 1,426.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,412.57 : 3,619.46 = 1,426.20 : x
2. Step 2: Convert to fraction form
   2,412.57/3,619.46 = 1,426.20/x
3. Step 3: Cross multiply
   2,412.57x = 3,619.46 × 1,426.20
4. Step 4: Simplify right side
   2,412.57x = 5,162,073.85
5. Step 5: Solve for x
   x = 5,162,073.85/2,412.57
6. Step 6: Final answer
   x = 2,139.66