Finding the Fourth Proportional to 1,062.22, 1,462.60 and 922.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,062.22 : 1,462.60 = 922.09 : x
2. Step 2: Convert to fraction form
   1,062.22/1,462.60 = 922.09/x
3. Step 3: Cross multiply
   1,062.22x = 1,462.60 × 922.09
4. Step 4: Simplify right side
   1,062.22x = 1,348,648.83
5. Step 5: Solve for x
   x = 1,348,648.83/1,062.22
6. Step 6: Final answer
   x = 1,269.65