Finding the Fourth Proportional to 2,399.73, 3,600.65 and 938.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,399.73 : 3,600.65 = 938.39 : x
2. Step 2: Convert to fraction form
   2,399.73/3,600.65 = 938.39/x
3. Step 3: Cross multiply
   2,399.73x = 3,600.65 × 938.39
4. Step 4: Simplify right side
   2,399.73x = 3,378,798.30
5. Step 5: Solve for x
   x = 3,378,798.30/2,399.73
6. Step 6: Final answer
   x = 1,407.99