Finding the Fourth Proportional to 6,514.56, 8,991.41 and 3,863.43

Step by Step Solution

1. Step 1: Write the proportion equation
   6,514.56 : 8,991.41 = 3,863.43 : x
2. Step 2: Convert to fraction form
   6,514.56/8,991.41 = 3,863.43/x
3. Step 3: Cross multiply
   6,514.56x = 8,991.41 × 3,863.43
4. Step 4: Simplify right side
   6,514.56x = 34,737,663.82
5. Step 5: Solve for x
   x = 34,737,663.82/6,514.56
6. Step 6: Final answer
   x = 5,332.31