Finding the Fourth Proportional to 1,623.34, 2,436.37 and 843.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,623.34 : 2,436.37 = 843.82 : x
2. Step 2: Convert to fraction form
   1,623.34/2,436.37 = 843.82/x
3. Step 3: Cross multiply
   1,623.34x = 2,436.37 × 843.82
4. Step 4: Simplify right side
   1,623.34x = 2,055,849.53
5. Step 5: Solve for x
   x = 2,055,849.53/1,623.34
6. Step 6: Final answer
   x = 1,266.43