Finding the Fourth Proportional to 1,196.02, 1,649.82 and 842.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196.02 : 1,649.82 = 842.22 : x
2. Step 2: Convert to fraction form
   1,196.02/1,649.82 = 842.22/x
3. Step 3: Cross multiply
   1,196.02x = 1,649.82 × 842.22
4. Step 4: Simplify right side
   1,196.02x = 1,389,514.46
5. Step 5: Solve for x
   x = 1,389,514.46/1,196.02
6. Step 6: Final answer
   x = 1,161.79