Finding the Fourth Proportional to 1,514.76, 2,090.16 and 885.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,514.76 : 2,090.16 = 885.42 : x
2. Step 2: Convert to fraction form
   1,514.76/2,090.16 = 885.42/x
3. Step 3: Cross multiply
   1,514.76x = 2,090.16 × 885.42
4. Step 4: Simplify right side
   1,514.76x = 1,850,669.47
5. Step 5: Solve for x
   x = 1,850,669.47/1,514.76
6. Step 6: Final answer
   x = 1,221.76