Finding the Fourth Proportional to 1,443.92, 2,161.50 and 792.68

Step by Step Solution

1. Step 1: Write the proportion equation
   1,443.92 : 2,161.50 = 792.68 : x
2. Step 2: Convert to fraction form
   1,443.92/2,161.50 = 792.68/x
3. Step 3: Cross multiply
   1,443.92x = 2,161.50 × 792.68
4. Step 4: Simplify right side
   1,443.92x = 1,713,377.82
5. Step 5: Solve for x
   x = 1,713,377.82/1,443.92
6. Step 6: Final answer
   x = 1,186.62