Finding the Fourth Proportional to 6,514.49, 8,989.57 and 4,156.38

Step by Step Solution

1. Step 1: Write the proportion equation
   6,514.49 : 8,989.57 = 4,156.38 : x
2. Step 2: Convert to fraction form
   6,514.49/8,989.57 = 4,156.38/x
3. Step 3: Cross multiply
   6,514.49x = 8,989.57 × 4,156.38
4. Step 4: Simplify right side
   6,514.49x = 37,364,003.23
5. Step 5: Solve for x
   x = 37,364,003.23/6,514.49
6. Step 6: Final answer
   x = 5,735.52