Finding the Fourth Proportional to 2,768.43, 4,152.60 and 1,308.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,768.43 : 4,152.60 = 1,308.63 : x
2. Step 2: Convert to fraction form
   2,768.43/4,152.60 = 1,308.63/x
3. Step 3: Cross multiply
   2,768.43x = 4,152.60 × 1,308.63
4. Step 4: Simplify right side
   2,768.43x = 5,434,216.94
5. Step 5: Solve for x
   x = 5,434,216.94/2,768.43
6. Step 6: Final answer
   x = 1,962.92