Finding the Fourth Proportional to 5,872.78, 8,103.86 and 3,514.87

Step by Step Solution

1. Step 1: Write the proportion equation
   5,872.78 : 8,103.86 = 3,514.87 : x
2. Step 2: Convert to fraction form
   5,872.78/8,103.86 = 3,514.87/x
3. Step 3: Cross multiply
   5,872.78x = 8,103.86 × 3,514.87
4. Step 4: Simplify right side
   5,872.78x = 28,483,973.88
5. Step 5: Solve for x
   x = 28,483,973.88/5,872.78
6. Step 6: Final answer
   x = 4,850.17