Finding the Fourth Proportional to 2,738.43, 4,107.56 and 790.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,738.43 : 4,107.56 = 790.83 : x
2. Step 2: Convert to fraction form
   2,738.43/4,107.56 = 790.83/x
3. Step 3: Cross multiply
   2,738.43x = 4,107.56 × 790.83
4. Step 4: Simplify right side
   2,738.43x = 3,248,377.72
5. Step 5: Solve for x
   x = 3,248,377.72/2,738.43
6. Step 6: Final answer
   x = 1,186.22