Finding the Fourth Proportional to 10,956.38, 16,426.36 and 3,556.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,956.38 : 16,426.36 = 3,556.42 : x
2. Step 2: Convert to fraction form
   10,956.38/16,426.36 = 3,556.42/x
3. Step 3: Cross multiply
   10,956.38x = 16,426.36 × 3,556.42
4. Step 4: Simplify right side
   10,956.38x = 58,418,998.61
5. Step 5: Solve for x
   x = 58,418,998.61/10,956.38
6. Step 6: Final answer
   x = 5,331.96