Finding the Fourth Proportional to 10,786.79, 14,881.50 and 7,960.83

Step by Step Solution

1. Step 1: Write the proportion equation
   10,786.79 : 14,881.50 = 7,960.83 : x
2. Step 2: Convert to fraction form
   10,786.79/14,881.50 = 7,960.83/x
3. Step 3: Cross multiply
   10,786.79x = 14,881.50 × 7,960.83
4. Step 4: Simplify right side
   10,786.79x = 118,469,091.65
5. Step 5: Solve for x
   x = 118,469,091.65/10,786.79
6. Step 6: Final answer
   x = 10,982.80