Finding the Fourth Proportional to 2,738.52, 4,109.58 and 1,277.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,738.52 : 4,109.58 = 1,277.73 : x
2. Step 2: Convert to fraction form
   2,738.52/4,109.58 = 1,277.73/x
3. Step 3: Cross multiply
   2,738.52x = 4,109.58 × 1,277.73
4. Step 4: Simplify right side
   2,738.52x = 5,250,933.65
5. Step 5: Solve for x
   x = 5,250,933.65/2,738.52
6. Step 6: Final answer
   x = 1,917.43