Finding the Fourth Proportional to 1,424.69, 1,966.24 and 865.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,424.69 : 1,966.24 = 865.18 : x
2. Step 2: Convert to fraction form
   1,424.69/1,966.24 = 865.18/x
3. Step 3: Cross multiply
   1,424.69x = 1,966.24 × 865.18
4. Step 4: Simplify right side
   1,424.69x = 1,701,155.06
5. Step 5: Solve for x
   x = 1,701,155.06/1,424.69
6. Step 6: Final answer
   x = 1,194.05