Finding the Fourth Proportional to 3,149.69, 4,725.14 and 1,069.61

Step by Step Solution

1. Step 1: Write the proportion equation
   3,149.69 : 4,725.14 = 1,069.61 : x
2. Step 2: Convert to fraction form
   3,149.69/4,725.14 = 1,069.61/x
3. Step 3: Cross multiply
   3,149.69x = 4,725.14 × 1,069.61
4. Step 4: Simplify right side
   3,149.69x = 5,054,028.02
5. Step 5: Solve for x
   x = 5,054,028.02/3,149.69
6. Step 6: Final answer
   x = 1,604.61