Finding the Fourth Proportional to 1,548.09, 2,136.42 and 849.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,548.09 : 2,136.42 = 849.47 : x
2. Step 2: Convert to fraction form
   1,548.09/2,136.42 = 849.47/x
3. Step 3: Cross multiply
   1,548.09x = 2,136.42 × 849.47
4. Step 4: Simplify right side
   1,548.09x = 1,814,814.02
5. Step 5: Solve for x
   x = 1,814,814.02/1,548.09
6. Step 6: Final answer
   x = 1,172.29