Finding the Fourth Proportional to 2,460.80, 3,395.40 and 1,412.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,460.80 : 3,395.40 = 1,412.72 : x
2. Step 2: Convert to fraction form
   2,460.80/3,395.40 = 1,412.72/x
3. Step 3: Cross multiply
   2,460.80x = 3,395.40 × 1,412.72
4. Step 4: Simplify right side
   2,460.80x = 4,796,749.49
5. Step 5: Solve for x
   x = 4,796,749.49/2,460.80
6. Step 6: Final answer
   x = 1,949.26