Finding the Fourth Proportional to 16,181,605.20, 24,256,078.20 and 8,082,123.60

Step by Step Solution

1. Step 1: Write the proportion equation
   16,181,605.20 : 24,256,078.20 = 8,082,123.60 : x
2. Step 2: Convert to fraction form
   16,181,605.20/24,256,078.20 = 8,082,123.60/x
3. Step 3: Cross multiply
   16,181,605.20x = 24,256,078.20 × 8,082,123.60
4. Step 4: Simplify right side
   16,181,605.20x = 196,040,622,063,665.50
5. Step 5: Solve for x
   x = 196,040,622,063,665.50/16,181,605.20
6. Step 6: Final answer
   x = 12,115,029.36