Finding the Fourth Proportional to 12,108,929.52, 18,171,907.23 and 10,951,208.14

Step by Step Solution

1. Step 1: Write the proportion equation
   12,108,929.52 : 18,171,907.23 = 10,951,208.14 : x
2. Step 2: Convert to fraction form
   12,108,929.52/18,171,907.23 = 10,951,208.14/x
3. Step 3: Cross multiply
   12,108,929.52x = 18,171,907.23 × 10,951,208.14
4. Step 4: Simplify right side
   12,108,929.52x = 199,004,338,230,885.28
5. Step 5: Solve for x
   x = 199,004,338,230,885.28/12,108,929.52
6. Step 6: Final answer
   x = 16,434,511.23