Finding the Fourth Proportional to 1,732.76, 2,391.26 and 986.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,732.76 : 2,391.26 = 986.59 : x
2. Step 2: Convert to fraction form
   1,732.76/2,391.26 = 986.59/x
3. Step 3: Cross multiply
   1,732.76x = 2,391.26 × 986.59
4. Step 4: Simplify right side
   1,732.76x = 2,359,188.27
5. Step 5: Solve for x
   x = 2,359,188.27/1,732.76
6. Step 6: Final answer
   x = 1,361.52