Finding the Fourth Proportional to 1,422.06, 1,962.42 and 792.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,422.06 : 1,962.42 = 792.57 : x
2. Step 2: Convert to fraction form
   1,422.06/1,962.42 = 792.57/x
3. Step 3: Cross multiply
   1,422.06x = 1,962.42 × 792.57
4. Step 4: Simplify right side
   1,422.06x = 1,555,355.22
5. Step 5: Solve for x
   x = 1,555,355.22/1,422.06
6. Step 6: Final answer
   x = 1,093.73