Finding the Fourth Proportional to 2,456.17, 3,685.77 and 976.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456.17 : 3,685.77 = 976.10 : x
2. Step 2: Convert to fraction form
   2,456.17/3,685.77 = 976.10/x
3. Step 3: Cross multiply
   2,456.17x = 3,685.77 × 976.10
4. Step 4: Simplify right side
   2,456.17x = 3,597,661.67
5. Step 5: Solve for x
   x = 3,597,661.67/2,456.17
6. Step 6: Final answer
   x = 1,464.75