Finding the Fourth Proportional to 2,276.98, 3,414.58 and 890.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,276.98 : 3,414.58 = 890.16 : x
2. Step 2: Convert to fraction form
   2,276.98/3,414.58 = 890.16/x
3. Step 3: Cross multiply
   2,276.98x = 3,414.58 × 890.16
4. Step 4: Simplify right side
   2,276.98x = 3,039,522.53
5. Step 5: Solve for x
   x = 3,039,522.53/2,276.98
6. Step 6: Final answer
   x = 1,334.89