Finding the Fourth Proportional to 2,686.44, 4,027.89 and 1,297.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,686.44 : 4,027.89 = 1,297.02 : x
2. Step 2: Convert to fraction form
   2,686.44/4,027.89 = 1,297.02/x
3. Step 3: Cross multiply
   2,686.44x = 4,027.89 × 1,297.02
4. Step 4: Simplify right side
   2,686.44x = 5,224,253.89
5. Step 5: Solve for x
   x = 5,224,253.89/2,686.44
6. Step 6: Final answer
   x = 1,944.68