Finding the Fourth Proportional to 2,520.72, 3,479.31 and 1,459.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,520.72 : 3,479.31 = 1,459.20 : x
2. Step 2: Convert to fraction form
   2,520.72/3,479.31 = 1,459.20/x
3. Step 3: Cross multiply
   2,520.72x = 3,479.31 × 1,459.20
4. Step 4: Simplify right side
   2,520.72x = 5,077,009.15
5. Step 5: Solve for x
   x = 5,077,009.15/2,520.72
6. Step 6: Final answer
   x = 2,014.11