Finding the Fourth Proportional to 10,766.26, 16,055.17 and 10,667.84

Step by Step Solution

1. Step 1: Write the proportion equation
   10,766.26 : 16,055.17 = 10,667.84 : x
2. Step 2: Convert to fraction form
   10,766.26/16,055.17 = 10,667.84/x
3. Step 3: Cross multiply
   10,766.26x = 16,055.17 × 10,667.84
4. Step 4: Simplify right side
   10,766.26x = 171,273,984.73
5. Step 5: Solve for x
   x = 171,273,984.73/10,766.26
6. Step 6: Final answer
   x = 15,908.40