Finding the Fourth Proportional to 2,078.03, 2,867.37 and 1,291.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,078.03 : 2,867.37 = 1,291.79 : x
2. Step 2: Convert to fraction form
   2,078.03/2,867.37 = 1,291.79/x
3. Step 3: Cross multiply
   2,078.03x = 2,867.37 × 1,291.79
4. Step 4: Simplify right side
   2,078.03x = 3,704,039.89
5. Step 5: Solve for x
   x = 3,704,039.89/2,078.03
6. Step 6: Final answer
   x = 1,782.48