Finding the Fourth Proportional to 6,882.56, 10,323.89 and 1,688.43

Step by Step Solution

1. Step 1: Write the proportion equation
   6,882.56 : 10,323.89 = 1,688.43 : x
2. Step 2: Convert to fraction form
   6,882.56/10,323.89 = 1,688.43/x
3. Step 3: Cross multiply
   6,882.56x = 10,323.89 × 1,688.43
4. Step 4: Simplify right side
   6,882.56x = 17,431,157.15
5. Step 5: Solve for x
   x = 17,431,157.15/6,882.56
6. Step 6: Final answer
   x = 2,532.66