Finding the Fourth Proportional to 1,548.41, 2,136.83 and 885.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,548.41 : 2,136.83 = 885.32 : x
2. Step 2: Convert to fraction form
   1,548.41/2,136.83 = 885.32/x
3. Step 3: Cross multiply
   1,548.41x = 2,136.83 × 885.32
4. Step 4: Simplify right side
   1,548.41x = 1,891,763.22
5. Step 5: Solve for x
   x = 1,891,763.22/1,548.41
6. Step 6: Final answer
   x = 1,221.75