Finding the Fourth Proportional to 2,227.52, 3,073.75 and 1,283.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,227.52 : 3,073.75 = 1,283.30 : x
2. Step 2: Convert to fraction form
   2,227.52/3,073.75 = 1,283.30/x
3. Step 3: Cross multiply
   2,227.52x = 3,073.75 × 1,283.30
4. Step 4: Simplify right side
   2,227.52x = 3,944,524.80
5. Step 5: Solve for x
   x = 3,944,524.80/2,227.52
6. Step 6: Final answer
   x = 1,770.82