Finding the Fourth Proportional to 1,514.63, 2,090.12 and 885.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,514.63 : 2,090.12 = 885.22 : x
2. Step 2: Convert to fraction form
   1,514.63/2,090.12 = 885.22/x
3. Step 3: Cross multiply
   1,514.63x = 2,090.12 × 885.22
4. Step 4: Simplify right side
   1,514.63x = 1,850,216.03
5. Step 5: Solve for x
   x = 1,850,216.03/1,514.63
6. Step 6: Final answer
   x = 1,221.56