Finding the Fourth Proportional to 2,227.08, 3,072.90 and 1,282.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,227.08 : 3,072.90 = 1,282.84 : x
2. Step 2: Convert to fraction form
   2,227.08/3,072.90 = 1,282.84/x
3. Step 3: Cross multiply
   2,227.08x = 3,072.90 × 1,282.84
4. Step 4: Simplify right side
   2,227.08x = 3,942,039.04
5. Step 5: Solve for x
   x = 3,942,039.04/2,227.08
6. Step 6: Final answer
   x = 1,770.05