Finding the Fourth Proportional to 2,507.94, 3,761.10 and 864.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,507.94 : 3,761.10 = 864.09 : x
2. Step 2: Convert to fraction form
   2,507.94/3,761.10 = 864.09/x
3. Step 3: Cross multiply
   2,507.94x = 3,761.10 × 864.09
4. Step 4: Simplify right side
   2,507.94x = 3,249,928.90
5. Step 5: Solve for x
   x = 3,249,928.90/2,507.94
6. Step 6: Final answer
   x = 1,295.86