Finding the Fourth Proportional to 6,680.58, 10,017.95 and 3,171.59

Step by Step Solution

1. Step 1: Write the proportion equation
   6,680.58 : 10,017.95 = 3,171.59 : x
2. Step 2: Convert to fraction form
   6,680.58/10,017.95 = 3,171.59/x
3. Step 3: Cross multiply
   6,680.58x = 10,017.95 × 3,171.59
4. Step 4: Simplify right side
   6,680.58x = 31,772,801.66
5. Step 5: Solve for x
   x = 31,772,801.66/6,680.58
6. Step 6: Final answer
   x = 4,756.00