Finding the Fourth Proportional to 13,002.75, 17,936.51 and 7,969.41

Step by Step Solution

1. Step 1: Write the proportion equation
   13,002.75 : 17,936.51 = 7,969.41 : x
2. Step 2: Convert to fraction form
   13,002.75/17,936.51 = 7,969.41/x
3. Step 3: Cross multiply
   13,002.75x = 17,936.51 × 7,969.41
4. Step 4: Simplify right side
   13,002.75x = 142,943,362.31
5. Step 5: Solve for x
   x = 142,943,362.31/13,002.75
6. Step 6: Final answer
   x = 10,993.32