Finding the Fourth Proportional to 1,469.74, 2,205.16 and 885.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,469.74 : 2,205.16 = 885.15 : x
2. Step 2: Convert to fraction form
   1,469.74/2,205.16 = 885.15/x
3. Step 3: Cross multiply
   1,469.74x = 2,205.16 × 885.15
4. Step 4: Simplify right side
   1,469.74x = 1,951,895.16
5. Step 5: Solve for x
   x = 1,951,895.16/1,469.74
6. Step 6: Final answer
   x = 1,328.06