Finding the Fourth Proportional to 2,697.30, 3,710.61 and 2,646.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,697.30 : 3,710.61 = 2,646.27 : x
2. Step 2: Convert to fraction form
   2,697.30/3,710.61 = 2,646.27/x
3. Step 3: Cross multiply
   2,697.30x = 3,710.61 × 2,646.27
4. Step 4: Simplify right side
   2,697.30x = 9,819,275.92
5. Step 5: Solve for x
   x = 9,819,275.92/2,697.30
6. Step 6: Final answer
   x = 3,640.41