Finding the Fourth Proportional to 2,141.98, 3,214.23 and 843.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,141.98 : 3,214.23 = 843.82 : x
2. Step 2: Convert to fraction form
   2,141.98/3,214.23 = 843.82/x
3. Step 3: Cross multiply
   2,141.98x = 3,214.23 × 843.82
4. Step 4: Simplify right side
   2,141.98x = 2,712,231.56
5. Step 5: Solve for x
   x = 2,712,231.56/2,141.98
6. Step 6: Final answer
   x = 1,266.23