Finding the Fourth Proportional to 1,514.93, 2,090.48 and 885.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,514.93 : 2,090.48 = 885.42 : x
2. Step 2: Convert to fraction form
   1,514.93/2,090.48 = 885.42/x
3. Step 3: Cross multiply
   1,514.93x = 2,090.48 × 885.42
4. Step 4: Simplify right side
   1,514.93x = 1,850,948.37
5. Step 5: Solve for x
   x = 1,850,948.37/1,514.93
6. Step 6: Final answer
   x = 1,221.81