Finding the Fourth Proportional to 23,167.62, 31,971.37 and 12,557.25

Step by Step Solution

1. Step 1: Write the proportion equation
   23,167.62 : 31,971.37 = 12,557.25 : x
2. Step 2: Convert to fraction form
   23,167.62/31,971.37 = 12,557.25/x
3. Step 3: Cross multiply
   23,167.62x = 31,971.37 × 12,557.25
4. Step 4: Simplify right side
   23,167.62x = 401,472,485.93
5. Step 5: Solve for x
   x = 401,472,485.93/23,167.62
6. Step 6: Final answer
   x = 17,329.03