Finding the Fourth Proportional to 2,456.54, 3,390.30 and 1,461.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456.54 : 3,390.30 = 1,461.98 : x
2. Step 2: Convert to fraction form
   2,456.54/3,390.30 = 1,461.98/x
3. Step 3: Cross multiply
   2,456.54x = 3,390.30 × 1,461.98
4. Step 4: Simplify right side
   2,456.54x = 4,956,550.79
5. Step 5: Solve for x
   x = 4,956,550.79/2,456.54
6. Step 6: Final answer
   x = 2,017.70