Finding the Fourth Proportional to 2,278.82, 3,144.68 and 1,270.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,278.82 : 3,144.68 = 1,270.50 : x
2. Step 2: Convert to fraction form
   2,278.82/3,144.68 = 1,270.50/x
3. Step 3: Cross multiply
   2,278.82x = 3,144.68 × 1,270.50
4. Step 4: Simplify right side
   2,278.82x = 3,995,315.94
5. Step 5: Solve for x
   x = 3,995,315.94/2,278.82
6. Step 6: Final answer
   x = 1,753.24