Finding the Fourth Proportional to 2,507.38, 3,760.63 and 863.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,507.38 : 3,760.63 = 863.96 : x
2. Step 2: Convert to fraction form
   2,507.38/3,760.63 = 863.96/x
3. Step 3: Cross multiply
   2,507.38x = 3,760.63 × 863.96
4. Step 4: Simplify right side
   2,507.38x = 3,249,012.93
5. Step 5: Solve for x
   x = 3,249,012.93/2,507.38
6. Step 6: Final answer
   x = 1,295.78