Finding the Fourth Proportional to 6,872.34, 10,308.41 and 1,678.26

Step by Step Solution

1. Step 1: Write the proportion equation
   6,872.34 : 10,308.41 = 1,678.26 : x
2. Step 2: Convert to fraction form
   6,872.34/10,308.41 = 1,678.26/x
3. Step 3: Cross multiply
   6,872.34x = 10,308.41 × 1,678.26
4. Step 4: Simplify right side
   6,872.34x = 17,300,144.82
5. Step 5: Solve for x
   x = 17,300,144.82/6,872.34
6. Step 6: Final answer
   x = 2,517.36