Finding the Fourth Proportional to 2,799.24, 4,199.77 and 1,338.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,799.24 : 4,199.77 = 1,338.50 : x
2. Step 2: Convert to fraction form
   2,799.24/4,199.77 = 1,338.50/x
3. Step 3: Cross multiply
   2,799.24x = 4,199.77 × 1,338.50
4. Step 4: Simplify right side
   2,799.24x = 5,621,392.15
5. Step 5: Solve for x
   x = 5,621,392.15/2,799.24
6. Step 6: Final answer
   x = 2,008.19