Finding the Fourth Proportional to 1,513.27, 2,265.49 and 1,149.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,513.27 : 2,265.49 = 1,149.49 : x
2. Step 2: Convert to fraction form
   1,513.27/2,265.49 = 1,149.49/x
3. Step 3: Cross multiply
   1,513.27x = 2,265.49 × 1,149.49
4. Step 4: Simplify right side
   1,513.27x = 2,604,158.10
5. Step 5: Solve for x
   x = 2,604,158.10/1,513.27
6. Step 6: Final answer
   x = 1,720.88