Finding the Fourth Proportional to 3,410.06, 5,113.55 and 1,069.51

Step by Step Solution

1. Step 1: Write the proportion equation
   3,410.06 : 5,113.55 = 1,069.51 : x
2. Step 2: Convert to fraction form
   3,410.06/5,113.55 = 1,069.51/x
3. Step 3: Cross multiply
   3,410.06x = 5,113.55 × 1,069.51
4. Step 4: Simplify right side
   3,410.06x = 5,469,000.70
5. Step 5: Solve for x
   x = 5,469,000.70/3,410.06
6. Step 6: Final answer
   x = 1,603.79