Finding the Fourth Proportional to 2,578.32, 3,558.06 and 2,204.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,578.32 : 3,558.06 = 2,204.82 : x
2. Step 2: Convert to fraction form
   2,578.32/3,558.06 = 2,204.82/x
3. Step 3: Cross multiply
   2,578.32x = 3,558.06 × 2,204.82
4. Step 4: Simplify right side
   2,578.32x = 7,844,881.85
5. Step 5: Solve for x
   x = 7,844,881.85/2,578.32
6. Step 6: Final answer
   x = 3,042.63