Finding the Fourth Proportional to 1,426.83, 1,967.13 and 1,281.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426.83 : 1,967.13 = 1,281.03 : x
2. Step 2: Convert to fraction form
   1,426.83/1,967.13 = 1,281.03/x
3. Step 3: Cross multiply
   1,426.83x = 1,967.13 × 1,281.03
4. Step 4: Simplify right side
   1,426.83x = 2,519,952.54
5. Step 5: Solve for x
   x = 2,519,952.54/1,426.83
6. Step 6: Final answer
   x = 1,766.12