Finding the Fourth Proportional to 2,594.40, 3,886.56 and 1,296.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,594.40 : 3,886.56 = 1,296.96 : x
2. Step 2: Convert to fraction form
   2,594.40/3,886.56 = 1,296.96/x
3. Step 3: Cross multiply
   2,594.40x = 3,886.56 × 1,296.96
4. Step 4: Simplify right side
   2,594.40x = 5,040,712.86
5. Step 5: Solve for x
   x = 5,040,712.86/2,594.40
6. Step 6: Final answer
   x = 1,942.92