Finding the Fourth Proportional to 3,789.94, 5,228.73 and 2,296.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,789.94 : 5,228.73 = 2,296.78 : x
2. Step 2: Convert to fraction form
   3,789.94/5,228.73 = 2,296.78/x
3. Step 3: Cross multiply
   3,789.94x = 5,228.73 × 2,296.78
4. Step 4: Simplify right side
   3,789.94x = 12,009,242.49
5. Step 5: Solve for x
   x = 12,009,242.49/3,789.94
6. Step 6: Final answer
   x = 3,168.72