Finding the Fourth Proportional to 1,081.49, 1,612.04 and 963.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,081.49 : 1,612.04 = 963.73 : x
2. Step 2: Convert to fraction form
   1,081.49/1,612.04 = 963.73/x
3. Step 3: Cross multiply
   1,081.49x = 1,612.04 × 963.73
4. Step 4: Simplify right side
   1,081.49x = 1,553,568.51
5. Step 5: Solve for x
   x = 1,553,568.51/1,081.49
6. Step 6: Final answer
   x = 1,436.51