Finding the Fourth Proportional to 23,093.57, 31,866.42 and 13,021.41

Step by Step Solution

1. Step 1: Write the proportion equation
   23,093.57 : 31,866.42 = 13,021.41 : x
2. Step 2: Convert to fraction form
   23,093.57/31,866.42 = 13,021.41/x
3. Step 3: Cross multiply
   23,093.57x = 31,866.42 × 13,021.41
4. Step 4: Simplify right side
   23,093.57x = 414,945,687.50
5. Step 5: Solve for x
   x = 414,945,687.50/23,093.57
6. Step 6: Final answer
   x = 17,968.02