Finding the Fourth Proportional to 12,517.74, 17,271.83 and 7,210.62

Step by Step Solution

1. Step 1: Write the proportion equation
   12,517.74 : 17,271.83 = 7,210.62 : x
2. Step 2: Convert to fraction form
   12,517.74/17,271.83 = 7,210.62/x
3. Step 3: Cross multiply
   12,517.74x = 17,271.83 × 7,210.62
4. Step 4: Simplify right side
   12,517.74x = 124,540,620.86
5. Step 5: Solve for x
   x = 124,540,620.86/12,517.74
6. Step 6: Final answer
   x = 9,949.13