Finding the Fourth Proportional to 1,732.89, 2,391.28 and 986.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,732.89 : 2,391.28 = 986.83 : x
2. Step 2: Convert to fraction form
   1,732.89/2,391.28 = 986.83/x
3. Step 3: Cross multiply
   1,732.89x = 2,391.28 × 986.83
4. Step 4: Simplify right side
   1,732.89x = 2,359,786.84
5. Step 5: Solve for x
   x = 2,359,786.84/1,732.89
6. Step 6: Final answer
   x = 1,361.76