Finding the Fourth Proportional to 2,287.11, 3,429.57 and 1,362.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,287.11 : 3,429.57 = 1,362.78 : x
2. Step 2: Convert to fraction form
   2,287.11/3,429.57 = 1,362.78/x
3. Step 3: Cross multiply
   2,287.11x = 3,429.57 × 1,362.78
4. Step 4: Simplify right side
   2,287.11x = 4,673,749.40
5. Step 5: Solve for x
   x = 4,673,749.40/2,287.11
6. Step 6: Final answer
   x = 2,043.52