Finding the Fourth Proportional to 2,304.72, 3,179.16 and 1,420.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,304.72 : 3,179.16 = 1,420.20 : x
2. Step 2: Convert to fraction form
   2,304.72/3,179.16 = 1,420.20/x
3. Step 3: Cross multiply
   2,304.72x = 3,179.16 × 1,420.20
4. Step 4: Simplify right side
   2,304.72x = 4,515,043.03
5. Step 5: Solve for x
   x = 4,515,043.03/2,304.72
6. Step 6: Final answer
   x = 1,959.04