Finding the Fourth Proportional to 2,697.82, 3,719.17 and 2,660.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,697.82 : 3,719.17 = 2,660.83 : x
2. Step 2: Convert to fraction form
   2,697.82/3,719.17 = 2,660.83/x
3. Step 3: Cross multiply
   2,697.82x = 3,719.17 × 2,660.83
4. Step 4: Simplify right side
   2,697.82x = 9,896,079.11
5. Step 5: Solve for x
   x = 9,896,079.11/2,697.82
6. Step 6: Final answer
   x = 3,668.18