Finding the Fourth Proportional to 2,479.72, 3,420.82 and 1,484.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,479.72 : 3,420.82 = 1,484.80 : x
2. Step 2: Convert to fraction form
   2,479.72/3,420.82 = 1,484.80/x
3. Step 3: Cross multiply
   2,479.72x = 3,420.82 × 1,484.80
4. Step 4: Simplify right side
   2,479.72x = 5,079,233.54
5. Step 5: Solve for x
   x = 5,079,233.54/2,479.72
6. Step 6: Final answer
   x = 2,048.31