Finding the Fourth Proportional to 2,940.28, 4,056.78 and 1,760.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,940.28 : 4,056.78 = 1,760.92 : x
2. Step 2: Convert to fraction form
   2,940.28/4,056.78 = 1,760.92/x
3. Step 3: Cross multiply
   2,940.28x = 4,056.78 × 1,760.92
4. Step 4: Simplify right side
   2,940.28x = 7,143,665.04
5. Step 5: Solve for x
   x = 7,143,665.04/2,940.28
6. Step 6: Final answer
   x = 2,429.59