Finding the Fourth Proportional to 10,793.36, 16,185.77 and 5,245.05

Step by Step Solution

1. Step 1: Write the proportion equation
   10,793.36 : 16,185.77 = 5,245.05 : x
2. Step 2: Convert to fraction form
   10,793.36/16,185.77 = 5,245.05/x
3. Step 3: Cross multiply
   10,793.36x = 16,185.77 × 5,245.05
4. Step 4: Simplify right side
   10,793.36x = 84,895,146.71
5. Step 5: Solve for x
   x = 84,895,146.71/10,793.36
6. Step 6: Final answer
   x = 7,865.50