Finding the Fourth Proportional to 1,422.03, 1,962.34 and 792.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,422.03 : 1,962.34 = 792.63 : x
2. Step 2: Convert to fraction form
   1,422.03/1,962.34 = 792.63/x
3. Step 3: Cross multiply
   1,422.03x = 1,962.34 × 792.63
4. Step 4: Simplify right side
   1,422.03x = 1,555,404.28
5. Step 5: Solve for x
   x = 1,555,404.28/1,422.03
6. Step 6: Final answer
   x = 1,093.79