Finding the Fourth Proportional to 1,548.43, 2,136.84 and 849.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,548.43 : 2,136.84 = 849.82 : x
2. Step 2: Convert to fraction form
   1,548.43/2,136.84 = 849.82/x
3. Step 3: Cross multiply
   1,548.43x = 2,136.84 × 849.82
4. Step 4: Simplify right side
   1,548.43x = 1,815,929.37
5. Step 5: Solve for x
   x = 1,815,929.37/1,548.43
6. Step 6: Final answer
   x = 1,172.76