Finding the Fourth Proportional to 2,269.74, 3,401.15 and 952.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,269.74 : 3,401.15 = 952.78 : x
2. Step 2: Convert to fraction form
   2,269.74/3,401.15 = 952.78/x
3. Step 3: Cross multiply
   2,269.74x = 3,401.15 × 952.78
4. Step 4: Simplify right side
   2,269.74x = 3,240,542.93
5. Step 5: Solve for x
   x = 3,240,542.93/2,269.74
6. Step 6: Final answer
   x = 1,427.72