Finding the Fourth Proportional to 2,698.97, 3,726.69 and 2,111.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,698.97 : 3,726.69 = 2,111.18 : x
2. Step 2: Convert to fraction form
   2,698.97/3,726.69 = 2,111.18/x
3. Step 3: Cross multiply
   2,698.97x = 3,726.69 × 2,111.18
4. Step 4: Simplify right side
   2,698.97x = 7,867,713.39
5. Step 5: Solve for x
   x = 7,867,713.39/2,698.97
6. Step 6: Final answer
   x = 2,915.08