Finding the Fourth Proportional to 6,453.34, 9,680.46 and 2,071.15

Step by Step Solution

1. Step 1: Write the proportion equation
   6,453.34 : 9,680.46 = 2,071.15 : x
2. Step 2: Convert to fraction form
   6,453.34/9,680.46 = 2,071.15/x
3. Step 3: Cross multiply
   6,453.34x = 9,680.46 × 2,071.15
4. Step 4: Simplify right side
   6,453.34x = 20,049,684.73
5. Step 5: Solve for x
   x = 20,049,684.73/6,453.34
6. Step 6: Final answer
   x = 3,106.87