Finding the Fourth Proportional to 2,443.79, 3,664.85 and 799.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.79 : 3,664.85 = 799.92 : x
2. Step 2: Convert to fraction form
   2,443.79/3,664.85 = 799.92/x
3. Step 3: Cross multiply
   2,443.79x = 3,664.85 × 799.92
4. Step 4: Simplify right side
   2,443.79x = 2,931,582.81
5. Step 5: Solve for x
   x = 2,931,582.81/2,443.79
6. Step 6: Final answer
   x = 1,199.61