Finding the Fourth Proportional to 2,399.52, 3,597.92 and 838.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,399.52 : 3,597.92 = 838.88 : x
2. Step 2: Convert to fraction form
   2,399.52/3,597.92 = 838.88/x
3. Step 3: Cross multiply
   2,399.52x = 3,597.92 × 838.88
4. Step 4: Simplify right side
   2,399.52x = 3,018,223.13
5. Step 5: Solve for x
   x = 3,018,223.13/2,399.52
6. Step 6: Final answer
   x = 1,257.84