Finding the Fourth Proportional to 2,410.29, 3,615.56 and 679.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,410.29 : 3,615.56 = 679.05 : x
2. Step 2: Convert to fraction form
   2,410.29/3,615.56 = 679.05/x
3. Step 3: Cross multiply
   2,410.29x = 3,615.56 × 679.05
4. Step 4: Simplify right side
   2,410.29x = 2,455,146.02
5. Step 5: Solve for x
   x = 2,455,146.02/2,410.29
6. Step 6: Final answer
   x = 1,018.61