Finding the Fourth Proportional to 12,950, 17,871.12 and 7,361.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,950 : 17,871.12 = 7,361.12 : x
2. Step 2: Convert to fraction form
   12,950/17,871.12 = 7,361.12/x
3. Step 3: Cross multiply
   12,950x = 17,871.12 × 7,361.12
4. Step 4: Simplify right side
   12,950x = 131,551,458.85
5. Step 5: Solve for x
   x = 131,551,458.85/12,950
6. Step 6: Final answer
   x = 10,158.41