Finding the Fourth Proportional to 2,410.47, 3,616.29 and 679.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,410.47 : 3,616.29 = 679.10 : x
2. Step 2: Convert to fraction form
   2,410.47/3,616.29 = 679.10/x
3. Step 3: Cross multiply
   2,410.47x = 3,616.29 × 679.10
4. Step 4: Simplify right side
   2,410.47x = 2,455,804.46
5. Step 5: Solve for x
   x = 2,455,804.46/2,410.47
6. Step 6: Final answer
   x = 1,018.81