Finding the Fourth Proportional to 1,729.50, 2,386.71 and 1,108.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,729.50 : 2,386.71 = 1,108.50 : x
2. Step 2: Convert to fraction form
   1,729.50/2,386.71 = 1,108.50/x
3. Step 3: Cross multiply
   1,729.50x = 2,386.71 × 1,108.50
4. Step 4: Simplify right side
   1,729.50x = 2,645,668.04
5. Step 5: Solve for x
   x = 2,645,668.04/1,729.50
6. Step 6: Final answer
   x = 1,529.73