Finding the Fourth Proportional to 10,667.39, 16,005.23 and 4,425.83

Step by Step Solution

1. Step 1: Write the proportion equation
   10,667.39 : 16,005.23 = 4,425.83 : x
2. Step 2: Convert to fraction form
   10,667.39/16,005.23 = 4,425.83/x
3. Step 3: Cross multiply
   10,667.39x = 16,005.23 × 4,425.83
4. Step 4: Simplify right side
   10,667.39x = 70,836,324.94
5. Step 5: Solve for x
   x = 70,836,324.94/10,667.39
6. Step 6: Final answer
   x = 6,640.46