Finding the Fourth Proportional to 1,782.05, 2,459.21 and 996.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,782.05 : 2,459.21 = 996.09 : x
2. Step 2: Convert to fraction form
   1,782.05/2,459.21 = 996.09/x
3. Step 3: Cross multiply
   1,782.05x = 2,459.21 × 996.09
4. Step 4: Simplify right side
   1,782.05x = 2,449,589.51
5. Step 5: Solve for x
   x = 2,449,589.51/1,782.05
6. Step 6: Final answer
   x = 1,374.59