Finding the Fourth Proportional to 2,521.82, 3,782.86 and 961.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,521.82 : 3,782.86 = 961.53 : x
2. Step 2: Convert to fraction form
   2,521.82/3,782.86 = 961.53/x
3. Step 3: Cross multiply
   2,521.82x = 3,782.86 × 961.53
4. Step 4: Simplify right side
   2,521.82x = 3,637,329.05
5. Step 5: Solve for x
   x = 3,637,329.05/2,521.82
6. Step 6: Final answer
   x = 1,442.34