Finding the Fourth Proportional to 1,675.33, 2,514.55 and 854.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,675.33 : 2,514.55 = 854.22 : x
2. Step 2: Convert to fraction form
   1,675.33/2,514.55 = 854.22/x
3. Step 3: Cross multiply
   1,675.33x = 2,514.55 × 854.22
4. Step 4: Simplify right side
   1,675.33x = 2,147,978.90
5. Step 5: Solve for x
   x = 2,147,978.90/1,675.33
6. Step 6: Final answer
   x = 1,282.12