Finding the Fourth Proportional to 3,896.88, 5,843.49 and 1,429.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,896.88 : 5,843.49 = 1,429.98 : x
2. Step 2: Convert to fraction form
   3,896.88/5,843.49 = 1,429.98/x
3. Step 3: Cross multiply
   3,896.88x = 5,843.49 × 1,429.98
4. Step 4: Simplify right side
   3,896.88x = 8,356,073.83
5. Step 5: Solve for x
   x = 8,356,073.83/3,896.88
6. Step 6: Final answer
   x = 2,144.30