Finding the Fourth Proportional to 1,422.22, 1,962.60 and 792.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,422.22 : 1,962.60 = 792.71 : x
2. Step 2: Convert to fraction form
   1,422.22/1,962.60 = 792.71/x
3. Step 3: Cross multiply
   1,422.22x = 1,962.60 × 792.71
4. Step 4: Simplify right side
   1,422.22x = 1,555,772.65
5. Step 5: Solve for x
   x = 1,555,772.65/1,422.22
6. Step 6: Final answer
   x = 1,093.91