Finding the Fourth Proportional to 1,304.18, 1,799.77 and 714.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,304.18 : 1,799.77 = 714.72 : x
2. Step 2: Convert to fraction form
   1,304.18/1,799.77 = 714.72/x
3. Step 3: Cross multiply
   1,304.18x = 1,799.77 × 714.72
4. Step 4: Simplify right side
   1,304.18x = 1,286,322.62
5. Step 5: Solve for x
   x = 1,286,322.62/1,304.18
6. Step 6: Final answer
   x = 986.31