Finding the Fourth Proportional to 2,629.18, 3,944.82 and 1,069.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,629.18 : 3,944.82 = 1,069.30 : x
2. Step 2: Convert to fraction form
   2,629.18/3,944.82 = 1,069.30/x
3. Step 3: Cross multiply
   2,629.18x = 3,944.82 × 1,069.30
4. Step 4: Simplify right side
   2,629.18x = 4,218,196.03
5. Step 5: Solve for x
   x = 4,218,196.03/2,629.18
6. Step 6: Final answer
   x = 1,604.38