Finding the Fourth Proportional to 9,956.78, 14,936.72 and 3,381.43

Step by Step Solution

1. Step 1: Write the proportion equation
   9,956.78 : 14,936.72 = 3,381.43 : x
2. Step 2: Convert to fraction form
   9,956.78/14,936.72 = 3,381.43/x
3. Step 3: Cross multiply
   9,956.78x = 14,936.72 × 3,381.43
4. Step 4: Simplify right side
   9,956.78x = 50,507,473.11
5. Step 5: Solve for x
   x = 50,507,473.11/9,956.78
6. Step 6: Final answer
   x = 5,072.67