Finding the Fourth Proportional to 1,112.94, 1,659.27 and 1,084.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,112.94 : 1,659.27 = 1,084.54 : x
2. Step 2: Convert to fraction form
   1,112.94/1,659.27 = 1,084.54/x
3. Step 3: Cross multiply
   1,112.94x = 1,659.27 × 1,084.54
4. Step 4: Simplify right side
   1,112.94x = 1,799,544.69
5. Step 5: Solve for x
   x = 1,799,544.69/1,112.94
6. Step 6: Final answer
   x = 1,616.93