Finding the Fourth Proportional to 2,137.14, 3,200.31 and 1,443.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,137.14 : 3,200.31 = 1,443.06 : x
2. Step 2: Convert to fraction form
   2,137.14/3,200.31 = 1,443.06/x
3. Step 3: Cross multiply
   2,137.14x = 3,200.31 × 1,443.06
4. Step 4: Simplify right side
   2,137.14x = 4,618,239.35
5. Step 5: Solve for x
   x = 4,618,239.35/2,137.14
6. Step 6: Final answer
   x = 2,160.94