Finding the Fourth Proportional to 3,404.11, 5,106.27 and 1,064.20

Step by Step Solution

1. Step 1: Write the proportion equation
   3,404.11 : 5,106.27 = 1,064.20 : x
2. Step 2: Convert to fraction form
   3,404.11/5,106.27 = 1,064.20/x
3. Step 3: Cross multiply
   3,404.11x = 5,106.27 × 1,064.20
4. Step 4: Simplify right side
   3,404.11x = 5,434,092.53
5. Step 5: Solve for x
   x = 5,434,092.53/3,404.11
6. Step 6: Final answer
   x = 1,596.33