Finding the Fourth Proportional to 2,486.50, 3,729.82 and 843.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,486.50 : 3,729.82 = 843.06 : x
2. Step 2: Convert to fraction form
   2,486.50/3,729.82 = 843.06/x
3. Step 3: Cross multiply
   2,486.50x = 3,729.82 × 843.06
4. Step 4: Simplify right side
   2,486.50x = 3,144,456.90
5. Step 5: Solve for x
   x = 3,144,456.90/2,486.50
6. Step 6: Final answer
   x = 1,264.61