Finding the Fourth Proportional to 1,781.80, 2,458.89 and 995.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,781.80 : 2,458.89 = 995.83 : x
2. Step 2: Convert to fraction form
   1,781.80/2,458.89 = 995.83/x
3. Step 3: Cross multiply
   1,781.80x = 2,458.89 × 995.83
4. Step 4: Simplify right side
   1,781.80x = 2,448,630.28
5. Step 5: Solve for x
   x = 2,448,630.28/1,781.80
6. Step 6: Final answer
   x = 1,374.25