Finding the Fourth Proportional to 2,267.59, 3,128.89 and 1,426.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,267.59 : 3,128.89 = 1,426.83 : x
2. Step 2: Convert to fraction form
   2,267.59/3,128.89 = 1,426.83/x
3. Step 3: Cross multiply
   2,267.59x = 3,128.89 × 1,426.83
4. Step 4: Simplify right side
   2,267.59x = 4,464,394.12
5. Step 5: Solve for x
   x = 4,464,394.12/2,267.59
6. Step 6: Final answer
   x = 1,968.78