Finding the Fourth Proportional to 2,696.82, 3,697.34 and 2,647.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,696.82 : 3,697.34 = 2,647.61 : x
2. Step 2: Convert to fraction form
   2,696.82/3,697.34 = 2,647.61/x
3. Step 3: Cross multiply
   2,696.82x = 3,697.34 × 2,647.61
4. Step 4: Simplify right side
   2,696.82x = 9,789,101.12
5. Step 5: Solve for x
   x = 9,789,101.12/2,696.82
6. Step 6: Final answer
   x = 3,629.87