Finding the Fourth Proportional to 1,419.33, 1,960.56 and 1,091.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,419.33 : 1,960.56 = 1,091.82 : x
2. Step 2: Convert to fraction form
   1,419.33/1,960.56 = 1,091.82/x
3. Step 3: Cross multiply
   1,419.33x = 1,960.56 × 1,091.82
4. Step 4: Simplify right side
   1,419.33x = 2,140,578.62
5. Step 5: Solve for x
   x = 2,140,578.62/1,419.33
6. Step 6: Final answer
   x = 1,508.16