Finding the Fourth Proportional to 3,428.52, 5,112.68 and 3,397.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,428.52 : 5,112.68 = 3,397.34 : x
2. Step 2: Convert to fraction form
   3,428.52/5,112.68 = 3,397.34/x
3. Step 3: Cross multiply
   3,428.52x = 5,112.68 × 3,397.34
4. Step 4: Simplify right side
   3,428.52x = 17,369,469.72
5. Step 5: Solve for x
   x = 17,369,469.72/3,428.52
6. Step 6: Final answer
   x = 5,066.17