Finding the Fourth Proportional to 10,286.80, 14,196.57 and 5,811.04

Step by Step Solution

1. Step 1: Write the proportion equation
   10,286.80 : 14,196.57 = 5,811.04 : x
2. Step 2: Convert to fraction form
   10,286.80/14,196.57 = 5,811.04/x
3. Step 3: Cross multiply
   10,286.80x = 14,196.57 × 5,811.04
4. Step 4: Simplify right side
   10,286.80x = 82,496,832.09
5. Step 5: Solve for x
   x = 82,496,832.09/10,286.80
6. Step 6: Final answer
   x = 8,019.68