Finding the Fourth Proportional to 2,227.80, 3,345.30 and 1,304.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,227.80 : 3,345.30 = 1,304.10 : x
2. Step 2: Convert to fraction form
   2,227.80/3,345.30 = 1,304.10/x
3. Step 3: Cross multiply
   2,227.80x = 3,345.30 × 1,304.10
4. Step 4: Simplify right side
   2,227.80x = 4,362,605.73
5. Step 5: Solve for x
   x = 4,362,605.73/2,227.80
6. Step 6: Final answer
   x = 1,958.25