Finding the Fourth Proportional to 6,897.66, 10,343.69 and 3,389.18

Step by Step Solution

1. Step 1: Write the proportion equation
   6,897.66 : 10,343.69 = 3,389.18 : x
2. Step 2: Convert to fraction form
   6,897.66/10,343.69 = 3,389.18/x
3. Step 3: Cross multiply
   6,897.66x = 10,343.69 × 3,389.18
4. Step 4: Simplify right side
   6,897.66x = 35,056,627.27
5. Step 5: Solve for x
   x = 35,056,627.27/6,897.66
6. Step 6: Final answer
   x = 5,082.39