Finding the Fourth Proportional to 3,424.28, 5,137.56 and 1,084.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,424.28 : 5,137.56 = 1,084.59 : x
2. Step 2: Convert to fraction form
   3,424.28/5,137.56 = 1,084.59/x
3. Step 3: Cross multiply
   3,424.28x = 5,137.56 × 1,084.59
4. Step 4: Simplify right side
   3,424.28x = 5,572,146.20
5. Step 5: Solve for x
   x = 5,572,146.20/3,424.28
6. Step 6: Final answer
   x = 1,627.25