Finding the Fourth Proportional to 2,293.28, 3,165.72 and 1,768.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,293.28 : 3,165.72 = 1,768.40 : x
2. Step 2: Convert to fraction form
   2,293.28/3,165.72 = 1,768.40/x
3. Step 3: Cross multiply
   2,293.28x = 3,165.72 × 1,768.40
4. Step 4: Simplify right side
   2,293.28x = 5,598,259.25
5. Step 5: Solve for x
   x = 5,598,259.25/2,293.28
6. Step 6: Final answer
   x = 2,441.16