Finding the Fourth Proportional to 2,443.56, 3,664.58 and 799.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.56 : 3,664.58 = 799.74 : x
2. Step 2: Convert to fraction form
   2,443.56/3,664.58 = 799.74/x
3. Step 3: Cross multiply
   2,443.56x = 3,664.58 × 799.74
4. Step 4: Simplify right side
   2,443.56x = 2,930,722.37
5. Step 5: Solve for x
   x = 2,930,722.37/2,443.56
6. Step 6: Final answer
   x = 1,199.36