Finding the Fourth Proportional to 2,649.31, 3,954.59 and 2,456.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,649.31 : 3,954.59 = 2,456.56 : x
2. Step 2: Convert to fraction form
   2,649.31/3,954.59 = 2,456.56/x
3. Step 3: Cross multiply
   2,649.31x = 3,954.59 × 2,456.56
4. Step 4: Simplify right side
   2,649.31x = 9,714,689.48
5. Step 5: Solve for x
   x = 9,714,689.48/2,649.31
6. Step 6: Final answer
   x = 3,666.88