Finding the Fourth Proportional to 2,629.92, 3,944.25 and 1,069.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,629.92 : 3,944.25 = 1,069.50 : x
2. Step 2: Convert to fraction form
   2,629.92/3,944.25 = 1,069.50/x
3. Step 3: Cross multiply
   2,629.92x = 3,944.25 × 1,069.50
4. Step 4: Simplify right side
   2,629.92x = 4,218,375.38
5. Step 5: Solve for x
   x = 4,218,375.38/2,629.92
6. Step 6: Final answer
   x = 1,603.99