Finding the Fourth Proportional to 2,227.35, 3,073.76 and 1,219.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,227.35 : 3,073.76 = 1,219.12 : x
2. Step 2: Convert to fraction form
   2,227.35/3,073.76 = 1,219.12/x
3. Step 3: Cross multiply
   2,227.35x = 3,073.76 × 1,219.12
4. Step 4: Simplify right side
   2,227.35x = 3,747,282.29
5. Step 5: Solve for x
   x = 3,747,282.29/2,227.35
6. Step 6: Final answer
   x = 1,682.39