Finding the Fourth Proportional to 1,729.46, 2,386.72 and 983.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,729.46 : 2,386.72 = 983.50 : x
2. Step 2: Convert to fraction form
   1,729.46/2,386.72 = 983.50/x
3. Step 3: Cross multiply
   1,729.46x = 2,386.72 × 983.50
4. Step 4: Simplify right side
   1,729.46x = 2,347,339.12
5. Step 5: Solve for x
   x = 2,347,339.12/1,729.46
6. Step 6: Final answer
   x = 1,357.27