Finding the Fourth Proportional to 23,156.67, 31,956.27 and 12,546.30

Step by Step Solution

1. Step 1: Write the proportion equation
   23,156.67 : 31,956.27 = 12,546.30 : x
2. Step 2: Convert to fraction form
   23,156.67/31,956.27 = 12,546.30/x
3. Step 3: Cross multiply
   23,156.67x = 31,956.27 × 12,546.30
4. Step 4: Simplify right side
   23,156.67x = 400,932,950.30
5. Step 5: Solve for x
   x = 400,932,950.30/23,156.67
6. Step 6: Final answer
   x = 17,313.93