Finding the Fourth Proportional to 2,420.98, 3,340.81 and 1,426.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,420.98 : 3,340.81 = 1,426.03 : x
2. Step 2: Convert to fraction form
   2,420.98/3,340.81 = 1,426.03/x
3. Step 3: Cross multiply
   2,420.98x = 3,340.81 × 1,426.03
4. Step 4: Simplify right side
   2,420.98x = 4,764,095.28
5. Step 5: Solve for x
   x = 4,764,095.28/2,420.98
6. Step 6: Final answer
   x = 1,967.84