Finding the Fourth Proportional to 6,859.69, 9,466.37 and 3,715.88

Step by Step Solution

1. Step 1: Write the proportion equation
   6,859.69 : 9,466.37 = 3,715.88 : x
2. Step 2: Convert to fraction form
   6,859.69/9,466.37 = 3,715.88/x
3. Step 3: Cross multiply
   6,859.69x = 9,466.37 × 3,715.88
4. Step 4: Simplify right side
   6,859.69x = 35,175,842.98
5. Step 5: Solve for x
   x = 35,175,842.98/6,859.69
6. Step 6: Final answer
   x = 5,127.91