Finding the Fourth Proportional to 23,168.08, 31,971.67 and 12,557.59

Step by Step Solution

1. Step 1: Write the proportion equation
   23,168.08 : 31,971.67 = 12,557.59 : x
2. Step 2: Convert to fraction form
   23,168.08/31,971.67 = 12,557.59/x
3. Step 3: Cross multiply
   23,168.08x = 31,971.67 × 12,557.59
4. Step 4: Simplify right side
   23,168.08x = 401,487,012.15
5. Step 5: Solve for x
   x = 401,487,012.15/23,168.08
6. Step 6: Final answer
   x = 17,329.32