Finding the Fourth Proportional to 7,111.24, 10,665.78 and 2,730.76

Step by Step Solution

1. Step 1: Write the proportion equation
   7,111.24 : 10,665.78 = 2,730.76 : x
2. Step 2: Convert to fraction form
   7,111.24/10,665.78 = 2,730.76/x
3. Step 3: Cross multiply
   7,111.24x = 10,665.78 × 2,730.76
4. Step 4: Simplify right side
   7,111.24x = 29,125,685.39
5. Step 5: Solve for x
   x = 29,125,685.39/7,111.24
6. Step 6: Final answer
   x = 4,095.73