Finding the Fourth Proportional to 1,782.48, 2,459.82 and 996.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,782.48 : 2,459.82 = 996.60 : x
2. Step 2: Convert to fraction form
   1,782.48/2,459.82 = 996.60/x
3. Step 3: Cross multiply
   1,782.48x = 2,459.82 × 996.60
4. Step 4: Simplify right side
   1,782.48x = 2,451,456.61
5. Step 5: Solve for x
   x = 2,451,456.61/1,782.48
6. Step 6: Final answer
   x = 1,375.31