Finding the Fourth Proportional to 23,167.16, 31,969.82 and 12,556.56

Step by Step Solution

1. Step 1: Write the proportion equation
   23,167.16 : 31,969.82 = 12,556.56 : x
2. Step 2: Convert to fraction form
   23,167.16/31,969.82 = 12,556.56/x
3. Step 3: Cross multiply
   23,167.16x = 31,969.82 × 12,556.56
4. Step 4: Simplify right side
   23,167.16x = 401,430,963.02
5. Step 5: Solve for x
   x = 401,430,963.02/23,167.16
6. Step 6: Final answer
   x = 17,327.59