Finding the Fourth Proportional to 1,422.43, 1,962.81 and 792.97

Step by Step Solution

1. Step 1: Write the proportion equation
   1,422.43 : 1,962.81 = 792.97 : x
2. Step 2: Convert to fraction form
   1,422.43/1,962.81 = 792.97/x
3. Step 3: Cross multiply
   1,422.43x = 1,962.81 × 792.97
4. Step 4: Simplify right side
   1,422.43x = 1,556,449.45
5. Step 5: Solve for x
   x = 1,556,449.45/1,422.43
6. Step 6: Final answer
   x = 1,094.22