Finding the Fourth Proportional to 2,636.82, 3,629.10 and 2,259.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,636.82 : 3,629.10 = 2,259.56 : x
2. Step 2: Convert to fraction form
   2,636.82/3,629.10 = 2,259.56/x
3. Step 3: Cross multiply
   2,636.82x = 3,629.10 × 2,259.56
4. Step 4: Simplify right side
   2,636.82x = 8,200,186.74
5. Step 5: Solve for x
   x = 8,200,186.74/2,636.82
6. Step 6: Final answer
   x = 3,109.88