Finding the Fourth Proportional to 1,196.08, 1,648.44 and 885.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196.08 : 1,648.44 = 885.04 : x
2. Step 2: Convert to fraction form
   1,196.08/1,648.44 = 885.04/x
3. Step 3: Cross multiply
   1,196.08x = 1,648.44 × 885.04
4. Step 4: Simplify right side
   1,196.08x = 1,458,935.34
5. Step 5: Solve for x
   x = 1,458,935.34/1,196.08
6. Step 6: Final answer
   x = 1,219.76