Finding the Fourth Proportional to 2,800.24, 4,201.27 and 1,339.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,800.24 : 4,201.27 = 1,339.50 : x
2. Step 2: Convert to fraction form
   2,800.24/4,201.27 = 1,339.50/x
3. Step 3: Cross multiply
   2,800.24x = 4,201.27 × 1,339.50
4. Step 4: Simplify right side
   2,800.24x = 5,627,601.17
5. Step 5: Solve for x
   x = 5,627,601.17/2,800.24
6. Step 6: Final answer
   x = 2,009.69