Finding the Fourth Proportional to 1,548.17, 2,136.83 and 885.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,548.17 : 2,136.83 = 885.41 : x
2. Step 2: Convert to fraction form
   1,548.17/2,136.83 = 885.41/x
3. Step 3: Cross multiply
   1,548.17x = 2,136.83 × 885.41
4. Step 4: Simplify right side
   1,548.17x = 1,891,955.54
5. Step 5: Solve for x
   x = 1,891,955.54/1,548.17
6. Step 6: Final answer
   x = 1,222.06