Finding the Fourth Proportional to 3,404.37, 5,106.56 and 1,064.39

Step by Step Solution

1. Step 1: Write the proportion equation
   3,404.37 : 5,106.56 = 1,064.39 : x
2. Step 2: Convert to fraction form
   3,404.37/5,106.56 = 1,064.39/x
3. Step 3: Cross multiply
   3,404.37x = 5,106.56 × 1,064.39
4. Step 4: Simplify right side
   3,404.37x = 5,435,340.54
5. Step 5: Solve for x
   x = 5,435,340.54/3,404.37
6. Step 6: Final answer
   x = 1,596.58