Finding the Fourth Proportional to 6,456.33, 9,684.63 and 2,072.88

Step by Step Solution

1. Step 1: Write the proportion equation
   6,456.33 : 9,684.63 = 2,072.88 : x
2. Step 2: Convert to fraction form
   6,456.33/9,684.63 = 2,072.88/x
3. Step 3: Cross multiply
   6,456.33x = 9,684.63 × 2,072.88
4. Step 4: Simplify right side
   6,456.33x = 20,075,075.83
5. Step 5: Solve for x
   x = 20,075,075.83/6,456.33
6. Step 6: Final answer
   x = 3,109.36