Finding the Fourth Proportional to 2,479.21, 3,420.13 and 1,484.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,479.21 : 3,420.13 = 1,484.30 : x
2. Step 2: Convert to fraction form
   2,479.21/3,420.13 = 1,484.30/x
3. Step 3: Cross multiply
   2,479.21x = 3,420.13 × 1,484.30
4. Step 4: Simplify right side
   2,479.21x = 5,076,478.15
5. Step 5: Solve for x
   x = 5,076,478.15/2,479.21
6. Step 6: Final answer
   x = 2,047.62