Finding the Fourth Proportional to 2,667.27, 4,000.68 and 1,281.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,667.27 : 4,000.68 = 1,281.72 : x
2. Step 2: Convert to fraction form
   2,667.27/4,000.68 = 1,281.72/x
3. Step 3: Cross multiply
   2,667.27x = 4,000.68 × 1,281.72
4. Step 4: Simplify right side
   2,667.27x = 5,127,751.57
5. Step 5: Solve for x
   x = 5,127,751.57/2,667.27
6. Step 6: Final answer
   x = 1,922.47