Finding the Fourth Proportional to 12,936.28, 17,837.94 and 8,737.24

Step by Step Solution

1. Step 1: Write the proportion equation
   12,936.28 : 17,837.94 = 8,737.24 : x
2. Step 2: Convert to fraction form
   12,936.28/17,837.94 = 8,737.24/x
3. Step 3: Cross multiply
   12,936.28x = 17,837.94 × 8,737.24
4. Step 4: Simplify right side
   12,936.28x = 155,854,362.89
5. Step 5: Solve for x
   x = 155,854,362.89/12,936.28
6. Step 6: Final answer
   x = 12,047.85