Finding the Fourth Proportional to 23,096.40, 31,872.56 and 13,024.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,096.40 : 31,872.56 = 13,024.72 : x
2. Step 2: Convert to fraction form
   23,096.40/31,872.56 = 13,024.72/x
3. Step 3: Cross multiply
   23,096.40x = 31,872.56 × 13,024.72
4. Step 4: Simplify right side
   23,096.40x = 415,131,169.68
5. Step 5: Solve for x
   x = 415,131,169.68/23,096.40
6. Step 6: Final answer
   x = 17,973.85