Finding the Fourth Proportional to 23,171.31, 31,976.53 and 12,560.92

Step by Step Solution

1. Step 1: Write the proportion equation
   23,171.31 : 31,976.53 = 12,560.92 : x
2. Step 2: Convert to fraction form
   23,171.31/31,976.53 = 12,560.92/x
3. Step 3: Cross multiply
   23,171.31x = 31,976.53 × 12,560.92
4. Step 4: Simplify right side
   23,171.31x = 401,654,635.21
5. Step 5: Solve for x
   x = 401,654,635.21/23,171.31
6. Step 6: Final answer
   x = 17,334.14