Finding the Fourth Proportional to 23,040.50, 31,795.89 and 13,104.50

Step by Step Solution

1. Step 1: Write the proportion equation
   23,040.50 : 31,795.89 = 13,104.50 : x
2. Step 2: Convert to fraction form
   23,040.50/31,795.89 = 13,104.50/x
3. Step 3: Cross multiply
   23,040.50x = 31,795.89 × 13,104.50
4. Step 4: Simplify right side
   23,040.50x = 416,669,240.51
5. Step 5: Solve for x
   x = 416,669,240.51/23,040.50
6. Step 6: Final answer
   x = 18,084.21