Finding the Fourth Proportional to 2,059.34, 3,086.97 and 889.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,059.34 : 3,086.97 = 889.61 : x
2. Step 2: Convert to fraction form
   2,059.34/3,086.97 = 889.61/x
3. Step 3: Cross multiply
   2,059.34x = 3,086.97 × 889.61
4. Step 4: Simplify right side
   2,059.34x = 2,746,183.95
5. Step 5: Solve for x
   x = 2,746,183.95/2,059.34
6. Step 6: Final answer
   x = 1,333.53