Finding the Fourth Proportional to 2,276.58, 3,414.86 and 716.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,276.58 : 3,414.86 = 716.71 : x
2. Step 2: Convert to fraction form
   2,276.58/3,414.86 = 716.71/x
3. Step 3: Cross multiply
   2,276.58x = 3,414.86 × 716.71
4. Step 4: Simplify right side
   2,276.58x = 2,447,464.31
5. Step 5: Solve for x
   x = 2,447,464.31/2,276.58
6. Step 6: Final answer
   x = 1,075.06