Finding the Fourth Proportional to 13,571.94, 18,727.57 and 7,908.52

Step by Step Solution

1. Step 1: Write the proportion equation
   13,571.94 : 18,727.57 = 7,908.52 : x
2. Step 2: Convert to fraction form
   13,571.94/18,727.57 = 7,908.52/x
3. Step 3: Cross multiply
   13,571.94x = 18,727.57 × 7,908.52
4. Step 4: Simplify right side
   13,571.94x = 148,107,361.90
5. Step 5: Solve for x
   x = 148,107,361.90/13,571.94
6. Step 6: Final answer
   x = 10,912.76