Finding the Fourth Proportional to 3,429.72, 5,144.16 and 1,480.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,429.72 : 5,144.16 = 1,480.32 : x
2. Step 2: Convert to fraction form
   3,429.72/5,144.16 = 1,480.32/x
3. Step 3: Cross multiply
   3,429.72x = 5,144.16 × 1,480.32
4. Step 4: Simplify right side
   3,429.72x = 7,615,002.93
5. Step 5: Solve for x
   x = 7,615,002.93/3,429.72
6. Step 6: Final answer
   x = 2,220.30