Finding the Fourth Proportional to 2,510.63, 3,765.89 and 867.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,510.63 : 3,765.89 = 867.14 : x
2. Step 2: Convert to fraction form
   2,510.63/3,765.89 = 867.14/x
3. Step 3: Cross multiply
   2,510.63x = 3,765.89 × 867.14
4. Step 4: Simplify right side
   2,510.63x = 3,265,530.69
5. Step 5: Solve for x
   x = 3,265,530.69/2,510.63
6. Step 6: Final answer
   x = 1,300.68