Finding the Fourth Proportional to 2,768.94, 4,149.72 and 1,308.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,768.94 : 4,149.72 = 1,308.48 : x
2. Step 2: Convert to fraction form
   2,768.94/4,149.72 = 1,308.48/x
3. Step 3: Cross multiply
   2,768.94x = 4,149.72 × 1,308.48
4. Step 4: Simplify right side
   2,768.94x = 5,429,825.63
5. Step 5: Solve for x
   x = 5,429,825.63/2,768.94
6. Step 6: Final answer
   x = 1,960.98