Finding the Fourth Proportional to 2,243.28, 3,363.30 and 1,146.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,243.28 : 3,363.30 = 1,146.72 : x
2. Step 2: Convert to fraction form
   2,243.28/3,363.30 = 1,146.72/x
3. Step 3: Cross multiply
   2,243.28x = 3,363.30 × 1,146.72
4. Step 4: Simplify right side
   2,243.28x = 3,856,763.38
5. Step 5: Solve for x
   x = 3,856,763.38/2,243.28
6. Step 6: Final answer
   x = 1,719.25