Finding the Fourth Proportional to 1,422.27, 1,962.72 and 792.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,422.27 : 1,962.72 = 792.92 : x
2. Step 2: Convert to fraction form
   1,422.27/1,962.72 = 792.92/x
3. Step 3: Cross multiply
   1,422.27x = 1,962.72 × 792.92
4. Step 4: Simplify right side
   1,422.27x = 1,556,279.94
5. Step 5: Solve for x
   x = 1,556,279.94/1,422.27
6. Step 6: Final answer
   x = 1,094.22