Finding the Fourth Proportional to 1,729.63, 2,386.83 and 983.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,729.63 : 2,386.83 = 983.62 : x
2. Step 2: Convert to fraction form
   1,729.63/2,386.83 = 983.62/x
3. Step 3: Cross multiply
   1,729.63x = 2,386.83 × 983.62
4. Step 4: Simplify right side
   1,729.63x = 2,347,733.72
5. Step 5: Solve for x
   x = 2,347,733.72/1,729.63
6. Step 6: Final answer
   x = 1,357.36