Finding the Fourth Proportional to 3,398.39, 5,096.03 and 1,057.71

Step by Step Solution

1. Step 1: Write the proportion equation
   3,398.39 : 5,096.03 = 1,057.71 : x
2. Step 2: Convert to fraction form
   3,398.39/5,096.03 = 1,057.71/x
3. Step 3: Cross multiply
   3,398.39x = 5,096.03 × 1,057.71
4. Step 4: Simplify right side
   3,398.39x = 5,390,113.00
5. Step 5: Solve for x
   x = 5,390,113.00/3,398.39
6. Step 6: Final answer
   x = 1,586.08