Finding the Fourth Proportional to 16,960.33, 25,436.34 and 13,253.36

Step by Step Solution

1. Step 1: Write the proportion equation
   16,960.33 : 25,436.34 = 13,253.36 : x
2. Step 2: Convert to fraction form
   16,960.33/25,436.34 = 13,253.36/x
3. Step 3: Cross multiply
   16,960.33x = 25,436.34 × 13,253.36
4. Step 4: Simplify right side
   16,960.33x = 337,116,971.10
5. Step 5: Solve for x
   x = 337,116,971.10/16,960.33
6. Step 6: Final answer
   x = 19,876.79