Finding the Fourth Proportional to 8,443.73, 12,658.76 and 3,517.06

Step by Step Solution

1. Step 1: Write the proportion equation
   8,443.73 : 12,658.76 = 3,517.06 : x
2. Step 2: Convert to fraction form
   8,443.73/12,658.76 = 3,517.06/x
3. Step 3: Cross multiply
   8,443.73x = 12,658.76 × 3,517.06
4. Step 4: Simplify right side
   8,443.73x = 44,521,593.28
5. Step 5: Solve for x
   x = 44,521,593.28/8,443.73
6. Step 6: Final answer
   x = 5,272.74