Finding the Fourth Proportional to 7,111.76, 10,672.72 and 2,673.28

Step by Step Solution

1. Step 1: Write the proportion equation
   7,111.76 : 10,672.72 = 2,673.28 : x
2. Step 2: Convert to fraction form
   7,111.76/10,672.72 = 2,673.28/x
3. Step 3: Cross multiply
   7,111.76x = 10,672.72 × 2,673.28
4. Step 4: Simplify right side
   7,111.76x = 28,531,168.92
5. Step 5: Solve for x
   x = 28,531,168.92/7,111.76
6. Step 6: Final answer
   x = 4,011.83