Finding the Fourth Proportional to 23,078.05, 31,847.69 and 12,467.68

Step by Step Solution

1. Step 1: Write the proportion equation
   23,078.05 : 31,847.69 = 12,467.68 : x
2. Step 2: Convert to fraction form
   23,078.05/31,847.69 = 12,467.68/x
3. Step 3: Cross multiply
   23,078.05x = 31,847.69 × 12,467.68
4. Step 4: Simplify right side
   23,078.05x = 397,066,807.66
5. Step 5: Solve for x
   x = 397,066,807.66/23,078.05
6. Step 6: Final answer
   x = 17,205.39