Finding the Fourth Proportional to 2,400.43, 3,598.17 and 919.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,400.43 : 3,598.17 = 919.25 : x
2. Step 2: Convert to fraction form
   2,400.43/3,598.17 = 919.25/x
3. Step 3: Cross multiply
   2,400.43x = 3,598.17 × 919.25
4. Step 4: Simplify right side
   2,400.43x = 3,307,605.47
5. Step 5: Solve for x
   x = 3,307,605.47/2,400.43
6. Step 6: Final answer
   x = 1,377.92