Finding the Fourth Proportional to 2,826.35, 4,240.42 and 1,267.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,826.35 : 4,240.42 = 1,267.69 : x
2. Step 2: Convert to fraction form
   2,826.35/4,240.42 = 1,267.69/x
3. Step 3: Cross multiply
   2,826.35x = 4,240.42 × 1,267.69
4. Step 4: Simplify right side
   2,826.35x = 5,375,549.48
5. Step 5: Solve for x
   x = 5,375,549.48/2,826.35
6. Step 6: Final answer
   x = 1,901.94