Finding the Fourth Proportional to 17,143,289.96, 23,656,960.52 and 9,408,178.76

Step by Step Solution

1. Step 1: Write the proportion equation
   17,143,289.96 : 23,656,960.52 = 9,408,178.76 : x
2. Step 2: Convert to fraction form
   17,143,289.96/23,656,960.52 = 9,408,178.76/x
3. Step 3: Cross multiply
   17,143,289.96x = 23,656,960.52 × 9,408,178.76
4. Step 4: Simplify right side
   17,143,289.96x = 222,568,913,325,096.88
5. Step 5: Solve for x
   x = 222,568,913,325,096.88/17,143,289.96
6. Step 6: Final answer
   x = 12,982,858.83