Finding the Fourth Proportional to 2,420.04, 3,629.34 and 880.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,420.04 : 3,629.34 = 880.68 : x
2. Step 2: Convert to fraction form
   2,420.04/3,629.34 = 880.68/x
3. Step 3: Cross multiply
   2,420.04x = 3,629.34 × 880.68
4. Step 4: Simplify right side
   2,420.04x = 3,196,287.15
5. Step 5: Solve for x
   x = 3,196,287.15/2,420.04
6. Step 6: Final answer
   x = 1,320.76