Finding the Fourth Proportional to 23,168.10, 31,971.62 and 13,096.18

Step by Step Solution

1. Step 1: Write the proportion equation
   23,168.10 : 31,971.62 = 13,096.18 : x
2. Step 2: Convert to fraction form
   23,168.10/31,971.62 = 13,096.18/x
3. Step 3: Cross multiply
   23,168.10x = 31,971.62 × 13,096.18
4. Step 4: Simplify right side
   23,168.10x = 418,706,090.41
5. Step 5: Solve for x
   x = 418,706,090.41/23,168.10
6. Step 6: Final answer
   x = 18,072.53