Finding the Fourth Proportional to 8,168.96, 11,245.56 and 7,380.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,168.96 : 11,245.56 = 7,380.56 : x
2. Step 2: Convert to fraction form
   8,168.96/11,245.56 = 7,380.56/x
3. Step 3: Cross multiply
   8,168.96x = 11,245.56 × 7,380.56
4. Step 4: Simplify right side
   8,168.96x = 82,998,530.31
5. Step 5: Solve for x
   x = 82,998,530.31/8,168.96
6. Step 6: Final answer
   x = 10,160.23