Finding the Fourth Proportional to 1,514.25, 2,089.67 and 885.21

Step by Step Solution

1. Step 1: Write the proportion equation
   1,514.25 : 2,089.67 = 885.21 : x
2. Step 2: Convert to fraction form
   1,514.25/2,089.67 = 885.21/x
3. Step 3: Cross multiply
   1,514.25x = 2,089.67 × 885.21
4. Step 4: Simplify right side
   1,514.25x = 1,849,796.78
5. Step 5: Solve for x
   x = 1,849,796.78/1,514.25
6. Step 6: Final answer
   x = 1,221.59