Finding the Fourth Proportional to 2,399.49, 3,598.43 and 938.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,399.49 : 3,598.43 = 938.25 : x
2. Step 2: Convert to fraction form
   2,399.49/3,598.43 = 938.25/x
3. Step 3: Cross multiply
   2,399.49x = 3,598.43 × 938.25
4. Step 4: Simplify right side
   2,399.49x = 3,376,222.26
5. Step 5: Solve for x
   x = 3,376,222.26/2,399.49
6. Step 6: Final answer
   x = 1,407.06