Finding the Fourth Proportional to 8,710.27, 12,020.37 and 5,173.49

Step by Step Solution

1. Step 1: Write the proportion equation
   8,710.27 : 12,020.37 = 5,173.49 : x
2. Step 2: Convert to fraction form
   8,710.27/12,020.37 = 5,173.49/x
3. Step 3: Cross multiply
   8,710.27x = 12,020.37 × 5,173.49
4. Step 4: Simplify right side
   8,710.27x = 62,187,238.12
5. Step 5: Solve for x
   x = 62,187,238.12/8,710.27
6. Step 6: Final answer
   x = 7,139.53