Finding the Fourth Proportional to 16,456.02, 24,671.28 and 8,130.30

Step by Step Solution

1. Step 1: Write the proportion equation
   16,456.02 : 24,671.28 = 8,130.30 : x
2. Step 2: Convert to fraction form
   16,456.02/24,671.28 = 8,130.30/x
3. Step 3: Cross multiply
   16,456.02x = 24,671.28 × 8,130.30
4. Step 4: Simplify right side
   16,456.02x = 200,584,907.78
5. Step 5: Solve for x
   x = 200,584,907.78/16,456.02
6. Step 6: Final answer
   x = 12,189.15