Finding the Fourth Proportional to 2,633.56, 3,923.57 and 2,509.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,633.56 : 3,923.57 = 2,509.72 : x
2. Step 2: Convert to fraction form
   2,633.56/3,923.57 = 2,509.72/x
3. Step 3: Cross multiply
   2,633.56x = 3,923.57 × 2,509.72
4. Step 4: Simplify right side
   2,633.56x = 9,847,062.10
5. Step 5: Solve for x
   x = 9,847,062.10/2,633.56
6. Step 6: Final answer
   x = 3,739.07