Finding the Fourth Proportional to 1,513.49, 2,268.07 and 864.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,513.49 : 2,268.07 = 864.41 : x
2. Step 2: Convert to fraction form
   1,513.49/2,268.07 = 864.41/x
3. Step 3: Cross multiply
   1,513.49x = 2,268.07 × 864.41
4. Step 4: Simplify right side
   1,513.49x = 1,960,528.89
5. Step 5: Solve for x
   x = 1,960,528.89/1,513.49
6. Step 6: Final answer
   x = 1,295.37