Finding the Fourth Proportional to 2,789.28, 3,849.72 and 1,904.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,789.28 : 3,849.72 = 1,904.52 : x
2. Step 2: Convert to fraction form
   2,789.28/3,849.72 = 1,904.52/x
3. Step 3: Cross multiply
   2,789.28x = 3,849.72 × 1,904.52
4. Step 4: Simplify right side
   2,789.28x = 7,331,868.73
5. Step 5: Solve for x
   x = 7,331,868.73/2,789.28
6. Step 6: Final answer
   x = 2,628.59