Finding the Fourth Proportional to 6,454.82, 9,680.86 and 2,071.25

Step by Step Solution

1. Step 1: Write the proportion equation
   6,454.82 : 9,680.86 = 2,071.25 : x
2. Step 2: Convert to fraction form
   6,454.82/9,680.86 = 2,071.25/x
3. Step 3: Cross multiply
   6,454.82x = 9,680.86 × 2,071.25
4. Step 4: Simplify right side
   6,454.82x = 20,051,446.50
5. Step 5: Solve for x
   x = 20,051,446.50/6,454.82
6. Step 6: Final answer
   x = 3,106.43