Finding the Fourth Proportional to 1,517.27, 2,271.49 and 1,153.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,517.27 : 2,271.49 = 1,153.49 : x
2. Step 2: Convert to fraction form
   1,517.27/2,271.49 = 1,153.49/x
3. Step 3: Cross multiply
   1,517.27x = 2,271.49 × 1,153.49
4. Step 4: Simplify right side
   1,517.27x = 2,620,141.00
5. Step 5: Solve for x
   x = 2,620,141.00/1,517.27
6. Step 6: Final answer
   x = 1,726.88