Finding the Fourth Proportional to 2,886.59, 3,983.78 and 1,768.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,886.59 : 3,983.78 = 1,768.27 : x
2. Step 2: Convert to fraction form
   2,886.59/3,983.78 = 1,768.27/x
3. Step 3: Cross multiply
   2,886.59x = 3,983.78 × 1,768.27
4. Step 4: Simplify right side
   2,886.59x = 7,044,398.66
5. Step 5: Solve for x
   x = 7,044,398.66/2,886.59
6. Step 6: Final answer
   x = 2,440.39