Finding the Fourth Proportional to 1,949.59, 2,922.64 and 716.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,949.59 : 2,922.64 = 716.71 : x
2. Step 2: Convert to fraction form
   1,949.59/2,922.64 = 716.71/x
3. Step 3: Cross multiply
   1,949.59x = 2,922.64 × 716.71
4. Step 4: Simplify right side
   1,949.59x = 2,094,685.31
5. Step 5: Solve for x
   x = 2,094,685.31/1,949.59
6. Step 6: Final answer
   x = 1,074.42