Finding the Fourth Proportional to 3,883.68, 5,825.57 and 961.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,883.68 : 5,825.57 = 961.98 : x
2. Step 2: Convert to fraction form
   3,883.68/5,825.57 = 961.98/x
3. Step 3: Cross multiply
   3,883.68x = 5,825.57 × 961.98
4. Step 4: Simplify right side
   3,883.68x = 5,604,085.16
5. Step 5: Solve for x
   x = 5,604,085.16/3,883.68
6. Step 6: Final answer
   x = 1,442.98