Finding the Fourth Proportional to 2,451.53, 3,661.78 and 2,309.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,451.53 : 3,661.78 = 2,309.37 : x
2. Step 2: Convert to fraction form
   2,451.53/3,661.78 = 2,309.37/x
3. Step 3: Cross multiply
   2,451.53x = 3,661.78 × 2,309.37
4. Step 4: Simplify right side
   2,451.53x = 8,456,404.88
5. Step 5: Solve for x
   x = 8,456,404.88/2,451.53
6. Step 6: Final answer
   x = 3,449.44