Finding the Fourth Proportional to 6,378.69, 9,568.59 and 1,761.69

Step by Step Solution

1. Step 1: Write the proportion equation
   6,378.69 : 9,568.59 = 1,761.69 : x
2. Step 2: Convert to fraction form
   6,378.69/9,568.59 = 1,761.69/x
3. Step 3: Cross multiply
   6,378.69x = 9,568.59 × 1,761.69
4. Step 4: Simplify right side
   6,378.69x = 16,856,880.51
5. Step 5: Solve for x
   x = 16,856,880.51/6,378.69
6. Step 6: Final answer
   x = 2,642.69