Finding the Fourth Proportional to 2,579.58, 3,558.06 and 2,185.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,579.58 : 3,558.06 = 2,185.92 : x
2. Step 2: Convert to fraction form
   2,579.58/3,558.06 = 2,185.92/x
3. Step 3: Cross multiply
   2,579.58x = 3,558.06 × 2,185.92
4. Step 4: Simplify right side
   2,579.58x = 7,777,634.52
5. Step 5: Solve for x
   x = 7,777,634.52/2,579.58
6. Step 6: Final answer
   x = 3,015.08