Finding the Fourth Proportional to 2,738.72, 4,109.44 and 1,277.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,738.72 : 4,109.44 = 1,277.62 : x
2. Step 2: Convert to fraction form
   2,738.72/4,109.44 = 1,277.62/x
3. Step 3: Cross multiply
   2,738.72x = 4,109.44 × 1,277.62
4. Step 4: Simplify right side
   2,738.72x = 5,250,302.73
5. Step 5: Solve for x
   x = 5,250,302.73/2,738.72
6. Step 6: Final answer
   x = 1,917.06