Finding the Fourth Proportional to 8,680.17, 13,017.59 and 3,132.82

Step by Step Solution

1. Step 1: Write the proportion equation
   8,680.17 : 13,017.59 = 3,132.82 : x
2. Step 2: Convert to fraction form
   8,680.17/13,017.59 = 3,132.82/x
3. Step 3: Cross multiply
   8,680.17x = 13,017.59 × 3,132.82
4. Step 4: Simplify right side
   8,680.17x = 40,781,766.30
5. Step 5: Solve for x
   x = 40,781,766.30/8,680.17
6. Step 6: Final answer
   x = 4,698.27