Finding the Fourth Proportional to 2,400.48, 3,598.25 and 919.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,400.48 : 3,598.25 = 919.35 : x
2. Step 2: Convert to fraction form
   2,400.48/3,598.25 = 919.35/x
3. Step 3: Cross multiply
   2,400.48x = 3,598.25 × 919.35
4. Step 4: Simplify right side
   2,400.48x = 3,308,046.54
5. Step 5: Solve for x
   x = 3,308,046.54/2,400.48
6. Step 6: Final answer
   x = 1,378.08