Finding the Fourth Proportional to 2,410.83, 3,615.84 and 679.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,410.83 : 3,615.84 = 679.05 : x
2. Step 2: Convert to fraction form
   2,410.83/3,615.84 = 679.05/x
3. Step 3: Cross multiply
   2,410.83x = 3,615.84 × 679.05
4. Step 4: Simplify right side
   2,410.83x = 2,455,323.72
5. Step 5: Solve for x
   x = 2,455,323.72/2,410.83
6. Step 6: Final answer
   x = 1,018.46