Finding the Fourth Proportional to 2,514.83, 3,773.97 and 871.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,514.83 : 3,773.97 = 871.38 : x
2. Step 2: Convert to fraction form
   2,514.83/3,773.97 = 871.38/x
3. Step 3: Cross multiply
   2,514.83x = 3,773.97 × 871.38
4. Step 4: Simplify right side
   2,514.83x = 3,288,561.98
5. Step 5: Solve for x
   x = 3,288,561.98/2,514.83
6. Step 6: Final answer
   x = 1,307.67