Finding the Fourth Proportional to 1,581.48, 2,182.54 and 873.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,581.48 : 2,182.54 = 873.32 : x
2. Step 2: Convert to fraction form
   1,581.48/2,182.54 = 873.32/x
3. Step 3: Cross multiply
   1,581.48x = 2,182.54 × 873.32
4. Step 4: Simplify right side
   1,581.48x = 1,906,055.83
5. Step 5: Solve for x
   x = 1,906,055.83/1,581.48
6. Step 6: Final answer
   x = 1,205.24