Finding the Fourth Proportional to 1,729.50, 2,389.31 and 1,133.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,729.50 : 2,389.31 = 1,133.41 : x
2. Step 2: Convert to fraction form
   1,729.50/2,389.31 = 1,133.41/x
3. Step 3: Cross multiply
   1,729.50x = 2,389.31 × 1,133.41
4. Step 4: Simplify right side
   1,729.50x = 2,708,058.22
5. Step 5: Solve for x
   x = 2,708,058.22/1,729.50
6. Step 6: Final answer
   x = 1,565.80