Finding the Fourth Proportional to 2,800.52, 4,199.50 and 1,338.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,800.52 : 4,199.50 = 1,338.07 : x
2. Step 2: Convert to fraction form
   2,800.52/4,199.50 = 1,338.07/x
3. Step 3: Cross multiply
   2,800.52x = 4,199.50 × 1,338.07
4. Step 4: Simplify right side
   2,800.52x = 5,619,211.12
5. Step 5: Solve for x
   x = 5,619,211.12/2,800.52
6. Step 6: Final answer
   x = 2,006.49