Finding the Fourth Proportional to 2,243.95, 3,366.39 and 945.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,243.95 : 3,366.39 = 945.42 : x
2. Step 2: Convert to fraction form
   2,243.95/3,366.39 = 945.42/x
3. Step 3: Cross multiply
   2,243.95x = 3,366.39 × 945.42
4. Step 4: Simplify right side
   2,243.95x = 3,182,654.31
5. Step 5: Solve for x
   x = 3,182,654.31/2,243.95
6. Step 6: Final answer
   x = 1,418.32