Finding the Fourth Proportional to 2,403.92, 3,603.88 and 1,018.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,403.92 : 3,603.88 = 1,018.34 : x
2. Step 2: Convert to fraction form
   2,403.92/3,603.88 = 1,018.34/x
3. Step 3: Cross multiply
   2,403.92x = 3,603.88 × 1,018.34
4. Step 4: Simplify right side
   2,403.92x = 3,669,954.59
5. Step 5: Solve for x
   x = 3,669,954.59/2,403.92
6. Step 6: Final answer
   x = 1,526.66