Finding the Fourth Proportional to 2,738.00, 4,107.69 and 790.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,738.00 : 4,107.69 = 790.21 : x
2. Step 2: Convert to fraction form
   2,738.00/4,107.69 = 790.21/x
3. Step 3: Cross multiply
   2,738.00x = 4,107.69 × 790.21
4. Step 4: Simplify right side
   2,738.00x = 3,245,917.52
5. Step 5: Solve for x
   x = 3,245,917.52/2,738.00
6. Step 6: Final answer
   x = 1,185.51