Finding the Fourth Proportional to 2,398.02, 3,597.89 and 838.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,398.02 : 3,597.89 = 838.25 : x
2. Step 2: Convert to fraction form
   2,398.02/3,597.89 = 838.25/x
3. Step 3: Cross multiply
   2,398.02x = 3,597.89 × 838.25
4. Step 4: Simplify right side
   2,398.02x = 3,015,931.29
5. Step 5: Solve for x
   x = 3,015,931.29/2,398.02
6. Step 6: Final answer
   x = 1,257.68