Finding the Fourth Proportional to 13,241.94, 18,272.52 and 7,936.62

Step by Step Solution

1. Step 1: Write the proportion equation
   13,241.94 : 18,272.52 = 7,936.62 : x
2. Step 2: Convert to fraction form
   13,241.94/18,272.52 = 7,936.62/x
3. Step 3: Cross multiply
   13,241.94x = 18,272.52 × 7,936.62
4. Step 4: Simplify right side
   13,241.94x = 145,022,047.68
5. Step 5: Solve for x
   x = 145,022,047.68/13,241.94
6. Step 6: Final answer
   x = 10,951.72