Finding the Fourth Proportional to 10,684.56, 14,730.48 and 8,168.16

Step by Step Solution

1. Step 1: Write the proportion equation
   10,684.56 : 14,730.48 = 8,168.16 : x
2. Step 2: Convert to fraction form
   10,684.56/14,730.48 = 8,168.16/x
3. Step 3: Cross multiply
   10,684.56x = 14,730.48 × 8,168.16
4. Step 4: Simplify right side
   10,684.56x = 120,320,917.52
5. Step 5: Solve for x
   x = 120,320,917.52/10,684.56
6. Step 6: Final answer
   x = 11,261.20