Finding the Fourth Proportional to 2,060.31, 3,087.59 and 961.95

Step by Step Solution

1. Step 1: Write the proportion equation
   2,060.31 : 3,087.59 = 961.95 : x
2. Step 2: Convert to fraction form
   2,060.31/3,087.59 = 961.95/x
3. Step 3: Cross multiply
   2,060.31x = 3,087.59 × 961.95
4. Step 4: Simplify right side
   2,060.31x = 2,970,102.39
5. Step 5: Solve for x
   x = 2,970,102.39/2,060.31
6. Step 6: Final answer
   x = 1,441.58