Finding the Fourth Proportional to 1,729.91, 2,588.67 and 995.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,729.91 : 2,588.67 = 995.89 : x
2. Step 2: Convert to fraction form
   1,729.91/2,588.67 = 995.89/x
3. Step 3: Cross multiply
   1,729.91x = 2,588.67 × 995.89
4. Step 4: Simplify right side
   1,729.91x = 2,578,030.57
5. Step 5: Solve for x
   x = 2,578,030.57/1,729.91
6. Step 6: Final answer
   x = 1,490.27