Finding the Fourth Proportional to 2,419.18, 3,630.38 and 880.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,419.18 : 3,630.38 = 880.18 : x
2. Step 2: Convert to fraction form
   2,419.18/3,630.38 = 880.18/x
3. Step 3: Cross multiply
   2,419.18x = 3,630.38 × 880.18
4. Step 4: Simplify right side
   2,419.18x = 3,195,369.72
5. Step 5: Solve for x
   x = 3,195,369.72/2,419.18
6. Step 6: Final answer
   x = 1,320.85