Finding the Fourth Proportional to 2,339.82, 3,229.02 and 1,291.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,339.82 : 3,229.02 = 1,291.86 : x
2. Step 2: Convert to fraction form
   2,339.82/3,229.02 = 1,291.86/x
3. Step 3: Cross multiply
   2,339.82x = 3,229.02 × 1,291.86
4. Step 4: Simplify right side
   2,339.82x = 4,171,441.78
5. Step 5: Solve for x
   x = 4,171,441.78/2,339.82
6. Step 6: Final answer
   x = 1,782.80