Finding the Fourth Proportional to 2,144.98, 3,218.73 and 846.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,144.98 : 3,218.73 = 846.82 : x
2. Step 2: Convert to fraction form
   2,144.98/3,218.73 = 846.82/x
3. Step 3: Cross multiply
   2,144.98x = 3,218.73 × 846.82
4. Step 4: Simplify right side
   2,144.98x = 2,725,684.94
5. Step 5: Solve for x
   x = 2,725,684.94/2,144.98
6. Step 6: Final answer
   x = 1,270.73