Finding the Fourth Proportional to 2,398.65, 3,597.87 and 938.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,398.65 : 3,597.87 = 938.82 : x
2. Step 2: Convert to fraction form
   2,398.65/3,597.87 = 938.82/x
3. Step 3: Cross multiply
   2,398.65x = 3,597.87 × 938.82
4. Step 4: Simplify right side
   2,398.65x = 3,377,752.31
5. Step 5: Solve for x
   x = 3,377,752.31/2,398.65
6. Step 6: Final answer
   x = 1,408.19