Finding the Fourth Proportional to 3,514.53, 4,851.32 and 2,118.09

Step by Step Solution

1. Step 1: Write the proportion equation
   3,514.53 : 4,851.32 = 2,118.09 : x
2. Step 2: Convert to fraction form
   3,514.53/4,851.32 = 2,118.09/x
3. Step 3: Cross multiply
   3,514.53x = 4,851.32 × 2,118.09
4. Step 4: Simplify right side
   3,514.53x = 10,275,521.79
5. Step 5: Solve for x
   x = 10,275,521.79/3,514.53
6. Step 6: Final answer
   x = 2,923.73