Finding the Fourth Proportional to 10,662.72, 14,713.92 and 6,186.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,662.72 : 14,713.92 = 6,186.12 : x
2. Step 2: Convert to fraction form
   10,662.72/14,713.92 = 6,186.12/x
3. Step 3: Cross multiply
   10,662.72x = 14,713.92 × 6,186.12
4. Step 4: Simplify right side
   10,662.72x = 91,022,074.79
5. Step 5: Solve for x
   x = 91,022,074.79/10,662.72
6. Step 6: Final answer
   x = 8,536.48