Finding the Fourth Proportional to 1,162.84, 1,604.88 and 714.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,162.84 : 1,604.88 = 714.76 : x
2. Step 2: Convert to fraction form
   1,162.84/1,604.88 = 714.76/x
3. Step 3: Cross multiply
   1,162.84x = 1,604.88 × 714.76
4. Step 4: Simplify right side
   1,162.84x = 1,147,104.03
5. Step 5: Solve for x
   x = 1,147,104.03/1,162.84
6. Step 6: Final answer
   x = 986.47