Finding the Fourth Proportional to 2,644.02, 3,966.63 and 1,410.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,644.02 : 3,966.63 = 1,410.78 : x
2. Step 2: Convert to fraction form
   2,644.02/3,966.63 = 1,410.78/x
3. Step 3: Cross multiply
   2,644.02x = 3,966.63 × 1,410.78
4. Step 4: Simplify right side
   2,644.02x = 5,596,042.27
5. Step 5: Solve for x
   x = 5,596,042.27/2,644.02
6. Step 6: Final answer
   x = 2,116.49