Finding the Fourth Proportional to 23,168.38, 31,972.38 and 12,558.01

Step by Step Solution

1. Step 1: Write the proportion equation
   23,168.38 : 31,972.38 = 12,558.01 : x
2. Step 2: Convert to fraction form
   23,168.38/31,972.38 = 12,558.01/x
3. Step 3: Cross multiply
   23,168.38x = 31,972.38 × 12,558.01
4. Step 4: Simplify right side
   23,168.38x = 401,509,467.76
5. Step 5: Solve for x
   x = 401,509,467.76/23,168.38
6. Step 6: Final answer
   x = 17,330.06