Finding the Fourth Proportional to 17,143,289.45, 23,656,959.83 and 9,408,178.25

Step by Step Solution

1. Step 1: Write the proportion equation
   17,143,289.45 : 23,656,959.83 = 9,408,178.25 : x
2. Step 2: Convert to fraction form
   17,143,289.45/23,656,959.83 = 9,408,178.25/x
3. Step 3: Cross multiply
   17,143,289.45x = 23,656,959.83 × 9,408,178.25
4. Step 4: Simplify right side
   17,143,289.45x = 222,568,894,933,729.69
5. Step 5: Solve for x
   x = 222,568,894,933,729.69/17,143,289.45
6. Step 6: Final answer
   x = 12,982,858.14