Finding the Fourth Proportional to 2,227.82, 3,073.20 and 1,440.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,227.82 : 3,073.20 = 1,440.50 : x
2. Step 2: Convert to fraction form
   2,227.82/3,073.20 = 1,440.50/x
3. Step 3: Cross multiply
   2,227.82x = 3,073.20 × 1,440.50
4. Step 4: Simplify right side
   2,227.82x = 4,426,944.60
5. Step 5: Solve for x
   x = 4,426,944.60/2,227.82
6. Step 6: Final answer
   x = 1,987.12