Finding the Fourth Proportional to 2,399.37, 3,599.51 and 938.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,399.37 : 3,599.51 = 938.43 : x
2. Step 2: Convert to fraction form
   2,399.37/3,599.51 = 938.43/x
3. Step 3: Cross multiply
   2,399.37x = 3,599.51 × 938.43
4. Step 4: Simplify right side
   2,399.37x = 3,377,883.48
5. Step 5: Solve for x
   x = 3,377,883.48/2,399.37
6. Step 6: Final answer
   x = 1,407.82