Finding the Fourth Proportional to 6,689.50, 9,233.94 and 3,895

Step by Step Solution

1. Step 1: Write the proportion equation
   6,689.50 : 9,233.94 = 3,895 : x
2. Step 2: Convert to fraction form
   6,689.50/9,233.94 = 3,895/x
3. Step 3: Cross multiply
   6,689.50x = 9,233.94 × 3,895
4. Step 4: Simplify right side
   6,689.50x = 35,966,196.30
5. Step 5: Solve for x
   x = 35,966,196.30/6,689.50
6. Step 6: Final answer
   x = 5,376.51