Finding the Fourth Proportional to 1,781.79, 2,458.72 and 995.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,781.79 : 2,458.72 = 995.82 : x
2. Step 2: Convert to fraction form
   1,781.79/2,458.72 = 995.82/x
3. Step 3: Cross multiply
   1,781.79x = 2,458.72 × 995.82
4. Step 4: Simplify right side
   1,781.79x = 2,448,442.55
5. Step 5: Solve for x
   x = 2,448,442.55/1,781.79
6. Step 6: Final answer
   x = 1,374.15