Finding the Fourth Proportional to 1,409.92, 1,944.84 and 885.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,409.92 : 1,944.84 = 885.52 : x
2. Step 2: Convert to fraction form
   1,409.92/1,944.84 = 885.52/x
3. Step 3: Cross multiply
   1,409.92x = 1,944.84 × 885.52
4. Step 4: Simplify right side
   1,409.92x = 1,722,194.72
5. Step 5: Solve for x
   x = 1,722,194.72/1,409.92
6. Step 6: Final answer
   x = 1,221.48