Finding the Fourth Proportional to 1,046.59, 1,444.82 and 716.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,046.59 : 1,444.82 = 716.74 : x
2. Step 2: Convert to fraction form
   1,046.59/1,444.82 = 716.74/x
3. Step 3: Cross multiply
   1,046.59x = 1,444.82 × 716.74
4. Step 4: Simplify right side
   1,046.59x = 1,035,553.09
5. Step 5: Solve for x
   x = 1,035,553.09/1,046.59
6. Step 6: Final answer
   x = 989.46