Finding the Fourth Proportional to 2,604.93, 3,907.83 and 961.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,604.93 : 3,907.83 = 961.48 : x
2. Step 2: Convert to fraction form
   2,604.93/3,907.83 = 961.48/x
3. Step 3: Cross multiply
   2,604.93x = 3,907.83 × 961.48
4. Step 4: Simplify right side
   2,604.93x = 3,757,308.88
5. Step 5: Solve for x
   x = 3,757,308.88/2,604.93
6. Step 6: Final answer
   x = 1,442.39