Finding the Fourth Proportional to 2,459.16, 3,393.72 and 1,411.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,459.16 : 3,393.72 = 1,411.20 : x
2. Step 2: Convert to fraction form
   2,459.16/3,393.72 = 1,411.20/x
3. Step 3: Cross multiply
   2,459.16x = 3,393.72 × 1,411.20
4. Step 4: Simplify right side
   2,459.16x = 4,789,217.66
5. Step 5: Solve for x
   x = 4,789,217.66/2,459.16
6. Step 6: Final answer
   x = 1,947.50