Finding the Fourth Proportional to 7,110.72, 10,662.56 and 2,179.17

Step by Step Solution

1. Step 1: Write the proportion equation
   7,110.72 : 10,662.56 = 2,179.17 : x
2. Step 2: Convert to fraction form
   7,110.72/10,662.56 = 2,179.17/x
3. Step 3: Cross multiply
   7,110.72x = 10,662.56 × 2,179.17
4. Step 4: Simplify right side
   7,110.72x = 23,235,530.88
5. Step 5: Solve for x
   x = 23,235,530.88/7,110.72
6. Step 6: Final answer
   x = 3,267.68