Finding the Fourth Proportional to 23,072.64, 31,840.25 and 12,462.27

Step by Step Solution

1. Step 1: Write the proportion equation
   23,072.64 : 31,840.25 = 12,462.27 : x
2. Step 2: Convert to fraction form
   23,072.64/31,840.25 = 12,462.27/x
3. Step 3: Cross multiply
   23,072.64x = 31,840.25 × 12,462.27
4. Step 4: Simplify right side
   23,072.64x = 396,801,792.37
5. Step 5: Solve for x
   x = 396,801,792.37/23,072.64
6. Step 6: Final answer
   x = 17,197.94