Finding the Fourth Proportional to 6,680.16, 10,019.99 and 3,171.84

Step by Step Solution

1. Step 1: Write the proportion equation
   6,680.16 : 10,019.99 = 3,171.84 : x
2. Step 2: Convert to fraction form
   6,680.16/10,019.99 = 3,171.84/x
3. Step 3: Cross multiply
   6,680.16x = 10,019.99 × 3,171.84
4. Step 4: Simplify right side
   6,680.16x = 31,781,789.22
5. Step 5: Solve for x
   x = 31,781,789.22/6,680.16
6. Step 6: Final answer
   x = 4,757.64