Finding the Fourth Proportional to 7,111.73, 10,661.40 and 2,726.10

Step by Step Solution

1. Step 1: Write the proportion equation
   7,111.73 : 10,661.40 = 2,726.10 : x
2. Step 2: Convert to fraction form
   7,111.73/10,661.40 = 2,726.10/x
3. Step 3: Cross multiply
   7,111.73x = 10,661.40 × 2,726.10
4. Step 4: Simplify right side
   7,111.73x = 29,064,042.54
5. Step 5: Solve for x
   x = 29,064,042.54/7,111.73
6. Step 6: Final answer
   x = 4,086.77